Home / 12,953.28-19,425.15-4,631.04

Finding the Fourth Proportional to 12,953.28, 19,425.15 and 4,631.04

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Solution

The fourth proportional to 12,953.28, 19,425.15 and 4,631.04 is: 6,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953.28 : 19,425.15 = 4,631.04 : x
  2. Step 2: Convert to fraction form
    12,953.28/19,425.15 = 4,631.04/x
  3. Step 3: Cross multiply
    12,953.28x = 19,425.15 × 4,631.04
  4. Step 4: Simplify right side
    12,953.28x = 89,958,646.66
  5. Step 5: Solve for x
    x = 89,958,646.66/12,953.28
  6. Step 6: Final answer
    x = 6,944.85

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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.