Home / 14,085.12-19,437.17-7,711.55

Finding the Fourth Proportional to 14,085.12, 19,437.17 and 7,711.55

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Solution

The fourth proportional to 14,085.12, 19,437.17 and 7,711.55 is: 10,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.12 : 19,437.17 = 7,711.55 : x
  2. Step 2: Convert to fraction form
    14,085.12/19,437.17 = 7,711.55/x
  3. Step 3: Cross multiply
    14,085.12x = 19,437.17 × 7,711.55
  4. Step 4: Simplify right side
    14,085.12x = 149,890,572.57
  5. Step 5: Solve for x
    x = 149,890,572.57/14,085.12
  6. Step 6: Final answer
    x = 10,641.77

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Half scale
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Double scale
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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.