Home / 15,113.45-22,672.52-7,713.90

Finding the Fourth Proportional to 15,113.45, 22,672.52 and 7,713.90

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Solution

The fourth proportional to 15,113.45, 22,672.52 and 7,713.90 is: 11,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.45 : 22,672.52 = 7,713.90 : x
  2. Step 2: Convert to fraction form
    15,113.45/22,672.52 = 7,713.90/x
  3. Step 3: Cross multiply
    15,113.45x = 22,672.52 × 7,713.90
  4. Step 4: Simplify right side
    15,113.45x = 174,893,513.46
  5. Step 5: Solve for x
    x = 174,893,513.46/15,113.45
  6. Step 6: Final answer
    x = 11,572.05

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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.