Home / 19,715.52-29,572.74-8,037.12

Finding the Fourth Proportional to 19,715.52, 29,572.74 and 8,037.12

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Solution

The fourth proportional to 19,715.52, 29,572.74 and 8,037.12 is: 12,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.52 : 29,572.74 = 8,037.12 : x
  2. Step 2: Convert to fraction form
    19,715.52/29,572.74 = 8,037.12/x
  3. Step 3: Cross multiply
    19,715.52x = 29,572.74 × 8,037.12
  4. Step 4: Simplify right side
    19,715.52x = 237,679,660.11
  5. Step 5: Solve for x
    x = 237,679,660.11/19,715.52
  6. Step 6: Final answer
    x = 12,055.46

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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.