Home / 13,294.91-18,346.30-7,325.61

Finding the Fourth Proportional to 13,294.91, 18,346.30 and 7,325.61

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Solution

The fourth proportional to 13,294.91, 18,346.30 and 7,325.61 is: 10,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.91 : 18,346.30 = 7,325.61 : x
  2. Step 2: Convert to fraction form
    13,294.91/18,346.30 = 7,325.61/x
  3. Step 3: Cross multiply
    13,294.91x = 18,346.30 × 7,325.61
  4. Step 4: Simplify right side
    13,294.91x = 134,397,838.74
  5. Step 5: Solve for x
    x = 134,397,838.74/13,294.91
  6. Step 6: Final answer
    x = 10,108.97

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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.