Home / 20,537.65-28,335.02-16,754.29

Finding the Fourth Proportional to 20,537.65, 28,335.02 and 16,754.29

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Solution

The fourth proportional to 20,537.65, 28,335.02 and 16,754.29 is: 23,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.65 : 28,335.02 = 16,754.29 : x
  2. Step 2: Convert to fraction form
    20,537.65/28,335.02 = 16,754.29/x
  3. Step 3: Cross multiply
    20,537.65x = 28,335.02 × 16,754.29
  4. Step 4: Simplify right side
    20,537.65x = 474,733,147.01
  5. Step 5: Solve for x
    x = 474,733,147.01/20,537.65
  6. Step 6: Final answer
    x = 23,115.26

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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.