Home / 29,387.00-40,553.51-16,639.98

Finding the Fourth Proportional to 29,387.00, 40,553.51 and 16,639.98

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Solution

The fourth proportional to 29,387.00, 40,553.51 and 16,639.98 is: 22,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.00 : 40,553.51 = 16,639.98 : x
  2. Step 2: Convert to fraction form
    29,387.00/40,553.51 = 16,639.98/x
  3. Step 3: Cross multiply
    29,387.00x = 40,553.51 × 16,639.98
  4. Step 4: Simplify right side
    29,387.00x = 674,809,681.77
  5. Step 5: Solve for x
    x = 674,809,681.77/29,387.00
  6. Step 6: Final answer
    x = 22,962.86

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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.