Home / 15,502.32-21,374.35-13,107.96

Finding the Fourth Proportional to 15,502.32, 21,374.35 and 13,107.96

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Solution

The fourth proportional to 15,502.32, 21,374.35 and 13,107.96 is: 18,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.32 : 21,374.35 = 13,107.96 : x
  2. Step 2: Convert to fraction form
    15,502.32/21,374.35 = 13,107.96/x
  3. Step 3: Cross multiply
    15,502.32x = 21,374.35 × 13,107.96
  4. Step 4: Simplify right side
    15,502.32x = 280,174,092.06
  5. Step 5: Solve for x
    x = 280,174,092.06/15,502.32
  6. Step 6: Final answer
    x = 18,073.04

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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.