Home / 14,088.52-19,442.10-7,715.14

Finding the Fourth Proportional to 14,088.52, 19,442.10 and 7,715.14

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Solution

The fourth proportional to 14,088.52, 19,442.10 and 7,715.14 is: 10,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.52 : 19,442.10 = 7,715.14 : x
  2. Step 2: Convert to fraction form
    14,088.52/19,442.10 = 7,715.14/x
  3. Step 3: Cross multiply
    14,088.52x = 19,442.10 × 7,715.14
  4. Step 4: Simplify right side
    14,088.52x = 149,998,523.39
  5. Step 5: Solve for x
    x = 149,998,523.39/14,088.52
  6. Step 6: Final answer
    x = 10,646.86

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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.