Home / 15,441.38-21,301.96-9,065.92

Finding the Fourth Proportional to 15,441.38, 21,301.96 and 9,065.92

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Solution

The fourth proportional to 15,441.38, 21,301.96 and 9,065.92 is: 12,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.38 : 21,301.96 = 9,065.92 : x
  2. Step 2: Convert to fraction form
    15,441.38/21,301.96 = 9,065.92/x
  3. Step 3: Cross multiply
    15,441.38x = 21,301.96 × 9,065.92
  4. Step 4: Simplify right side
    15,441.38x = 193,121,789.28
  5. Step 5: Solve for x
    x = 193,121,789.28/15,441.38
  6. Step 6: Final answer
    x = 12,506.77

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Half scale
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Double scale
Find fourth proportional to 15,442.38, 21,303.34 and 9,066.92
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.