Home / 34,683.20-47,862.72-18,767.92

Finding the Fourth Proportional to 34,683.20, 47,862.72 and 18,767.92

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Solution

The fourth proportional to 34,683.20, 47,862.72 and 18,767.92 is: 25,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,683.20 : 47,862.72 = 18,767.92 : x
  2. Step 2: Convert to fraction form
    34,683.20/47,862.72 = 18,767.92/x
  3. Step 3: Cross multiply
    34,683.20x = 47,862.72 × 18,767.92
  4. Step 4: Simplify right side
    34,683.20x = 898,283,699.94
  5. Step 5: Solve for x
    x = 898,283,699.94/34,683.20
  6. Step 6: Final answer
    x = 25,899.68

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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.