Home / 14,758.16-20,386.20-11,794.76

Finding the Fourth Proportional to 14,758.16, 20,386.20 and 11,794.76

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Solution

The fourth proportional to 14,758.16, 20,386.20 and 11,794.76 is: 16,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.16 : 20,386.20 = 11,794.76 : x
  2. Step 2: Convert to fraction form
    14,758.16/20,386.20 = 11,794.76/x
  3. Step 3: Cross multiply
    14,758.16x = 20,386.20 × 11,794.76
  4. Step 4: Simplify right side
    14,758.16x = 240,450,336.31
  5. Step 5: Solve for x
    x = 240,450,336.31/14,758.16
  6. Step 6: Final answer
    x = 16,292.70

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Half scale
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Double scale
Find fourth proportional to 14,759.16, 20,387.58 and 11,795.76
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.