Home / 16,641.40-23,070.28-15,753.64

Finding the Fourth Proportional to 16,641.40, 23,070.28 and 15,753.64

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Solution

The fourth proportional to 16,641.40, 23,070.28 and 15,753.64 is: 21,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641.40 : 23,070.28 = 15,753.64 : x
  2. Step 2: Convert to fraction form
    16,641.40/23,070.28 = 15,753.64/x
  3. Step 3: Cross multiply
    16,641.40x = 23,070.28 × 15,753.64
  4. Step 4: Simplify right side
    16,641.40x = 363,440,885.82
  5. Step 5: Solve for x
    x = 363,440,885.82/16,641.40
  6. Step 6: Final answer
    x = 21,839.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.