Home / 14,265.85-19,685.98-7,892.29

Finding the Fourth Proportional to 14,265.85, 19,685.98 and 7,892.29

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Solution

The fourth proportional to 14,265.85, 19,685.98 and 7,892.29 is: 10,890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.85 : 19,685.98 = 7,892.29 : x
  2. Step 2: Convert to fraction form
    14,265.85/19,685.98 = 7,892.29/x
  3. Step 3: Cross multiply
    14,265.85x = 19,685.98 × 7,892.29
  4. Step 4: Simplify right side
    14,265.85x = 155,367,463.09
  5. Step 5: Solve for x
    x = 155,367,463.09/14,265.85
  6. Step 6: Final answer
    x = 10,890.87

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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.