Home / 24,699.12-34,084.80-13,521.12

Finding the Fourth Proportional to 24,699.12, 34,084.80 and 13,521.12

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Solution

The fourth proportional to 24,699.12, 34,084.80 and 13,521.12 is: 18,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,699.12 : 34,084.80 = 13,521.12 : x
  2. Step 2: Convert to fraction form
    24,699.12/34,084.80 = 13,521.12/x
  3. Step 3: Cross multiply
    24,699.12x = 34,084.80 × 13,521.12
  4. Step 4: Simplify right side
    24,699.12x = 460,864,670.98
  5. Step 5: Solve for x
    x = 460,864,670.98/24,699.12
  6. Step 6: Final answer
    x = 18,659.15

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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.