Home / 24,947.20-34,430.92-15,518.80

Finding the Fourth Proportional to 24,947.20, 34,430.92 and 15,518.80

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Solution

The fourth proportional to 24,947.20, 34,430.92 and 15,518.80 is: 21,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,947.20 : 34,430.92 = 15,518.80 : x
  2. Step 2: Convert to fraction form
    24,947.20/34,430.92 = 15,518.80/x
  3. Step 3: Cross multiply
    24,947.20x = 34,430.92 × 15,518.80
  4. Step 4: Simplify right side
    24,947.20x = 534,326,561.30
  5. Step 5: Solve for x
    x = 534,326,561.30/24,947.20
  6. Step 6: Final answer
    x = 21,418.30

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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.