Home / 24,985.98-34,480.67-13,500.90

Finding the Fourth Proportional to 24,985.98, 34,480.67 and 13,500.90

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Solution

The fourth proportional to 24,985.98, 34,480.67 and 13,500.90 is: 18,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,985.98 : 34,480.67 = 13,500.90 : x
  2. Step 2: Convert to fraction form
    24,985.98/34,480.67 = 13,500.90/x
  3. Step 3: Cross multiply
    24,985.98x = 34,480.67 × 13,500.90
  4. Step 4: Simplify right side
    24,985.98x = 465,520,010.10
  5. Step 5: Solve for x
    x = 465,520,010.10/24,985.98
  6. Step 6: Final answer
    x = 18,631.25

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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.