Home / 34,659.71-47,830.20-18,744.13

Finding the Fourth Proportional to 34,659.71, 47,830.20 and 18,744.13

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Solution

The fourth proportional to 34,659.71, 47,830.20 and 18,744.13 is: 25,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,659.71 : 47,830.20 = 18,744.13 : x
  2. Step 2: Convert to fraction form
    34,659.71/47,830.20 = 18,744.13/x
  3. Step 3: Cross multiply
    34,659.71x = 47,830.20 × 18,744.13
  4. Step 4: Simplify right side
    34,659.71x = 896,535,207.18
  5. Step 5: Solve for x
    x = 896,535,207.18/34,659.71
  6. Step 6: Final answer
    x = 25,866.78

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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.