Home / 34,681.20-47,859.96-18,765.92

Finding the Fourth Proportional to 34,681.20, 47,859.96 and 18,765.92

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Solution

The fourth proportional to 34,681.20, 47,859.96 and 18,765.92 is: 25,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,681.20 : 47,859.96 = 18,765.92 : x
  2. Step 2: Convert to fraction form
    34,681.20/47,859.96 = 18,765.92/x
  3. Step 3: Cross multiply
    34,681.20x = 47,859.96 × 18,765.92
  4. Step 4: Simplify right side
    34,681.20x = 898,136,180.56
  5. Step 5: Solve for x
    x = 898,136,180.56/34,681.20
  6. Step 6: Final answer
    x = 25,896.92

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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.