Home / 34,663.15-47,835.11-18,747.56

Finding the Fourth Proportional to 34,663.15, 47,835.11 and 18,747.56

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Solution

The fourth proportional to 34,663.15, 47,835.11 and 18,747.56 is: 25,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,663.15 : 47,835.11 = 18,747.56 : x
  2. Step 2: Convert to fraction form
    34,663.15/47,835.11 = 18,747.56/x
  3. Step 3: Cross multiply
    34,663.15x = 47,835.11 × 18,747.56
  4. Step 4: Simplify right side
    34,663.15x = 896,791,761.29
  5. Step 5: Solve for x
    x = 896,791,761.29/34,663.15
  6. Step 6: Final answer
    x = 25,871.62

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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.