Home / 19,121.04-28,681.56-8,024.76

Finding the Fourth Proportional to 19,121.04, 28,681.56 and 8,024.76

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Solution

The fourth proportional to 19,121.04, 28,681.56 and 8,024.76 is: 12,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.04 : 28,681.56 = 8,024.76 : x
  2. Step 2: Convert to fraction form
    19,121.04/28,681.56 = 8,024.76/x
  3. Step 3: Cross multiply
    19,121.04x = 28,681.56 × 8,024.76
  4. Step 4: Simplify right side
    19,121.04x = 230,162,635.43
  5. Step 5: Solve for x
    x = 230,162,635.43/19,121.04
  6. Step 6: Final answer
    x = 12,037.14

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.