Home / 28,083.50-38,760.18-16,753.70

Finding the Fourth Proportional to 28,083.50, 38,760.18 and 16,753.70

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Solution

The fourth proportional to 28,083.50, 38,760.18 and 16,753.70 is: 23,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.50 : 38,760.18 = 16,753.70 : x
  2. Step 2: Convert to fraction form
    28,083.50/38,760.18 = 16,753.70/x
  3. Step 3: Cross multiply
    28,083.50x = 38,760.18 × 16,753.70
  4. Step 4: Simplify right side
    28,083.50x = 649,376,427.67
  5. Step 5: Solve for x
    x = 649,376,427.67/28,083.50
  6. Step 6: Final answer
    x = 23,123.06

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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.