Home / 29,215.77-40,314.56-17,888.13

Finding the Fourth Proportional to 29,215.77, 40,314.56 and 17,888.13

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Solution

The fourth proportional to 29,215.77, 40,314.56 and 17,888.13 is: 24,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,215.77 : 40,314.56 = 17,888.13 : x
  2. Step 2: Convert to fraction form
    29,215.77/40,314.56 = 17,888.13/x
  3. Step 3: Cross multiply
    29,215.77x = 40,314.56 × 17,888.13
  4. Step 4: Simplify right side
    29,215.77x = 721,152,000.73
  5. Step 5: Solve for x
    x = 721,152,000.73/29,215.77
  6. Step 6: Final answer
    x = 24,683.66

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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.