Home / 13,781.12-19,026.72-9,073.52

Finding the Fourth Proportional to 13,781.12, 19,026.72 and 9,073.52

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Solution

The fourth proportional to 13,781.12, 19,026.72 and 9,073.52 is: 12,527.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781.12 : 19,026.72 = 9,073.52 : x
  2. Step 2: Convert to fraction form
    13,781.12/19,026.72 = 9,073.52/x
  3. Step 3: Cross multiply
    13,781.12x = 19,026.72 × 9,073.52
  4. Step 4: Simplify right side
    13,781.12x = 172,639,324.45
  5. Step 5: Solve for x
    x = 172,639,324.45/13,781.12
  6. Step 6: Final answer
    x = 12,527.23

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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.