Home / 14,745.56-20,356.52-11,381.04

Finding the Fourth Proportional to 14,745.56, 20,356.52 and 11,381.04

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Solution

The fourth proportional to 14,745.56, 20,356.52 and 11,381.04 is: 15,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.56 : 20,356.52 = 11,381.04 : x
  2. Step 2: Convert to fraction form
    14,745.56/20,356.52 = 11,381.04/x
  3. Step 3: Cross multiply
    14,745.56x = 20,356.52 × 11,381.04
  4. Step 4: Simplify right side
    14,745.56x = 231,678,368.38
  5. Step 5: Solve for x
    x = 231,678,368.38/14,745.56
  6. Step 6: Final answer
    x = 15,711.74

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Half scale
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Double scale
Find fourth proportional to 14,746.56, 20,357.90 and 11,382.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.