Home / 25,318.93-34,940.00-13,988.42

Finding the Fourth Proportional to 25,318.93, 34,940.00 and 13,988.42

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Solution

The fourth proportional to 25,318.93, 34,940.00 and 13,988.42 is: 19,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318.93 : 34,940.00 = 13,988.42 : x
  2. Step 2: Convert to fraction form
    25,318.93/34,940.00 = 13,988.42/x
  3. Step 3: Cross multiply
    25,318.93x = 34,940.00 × 13,988.42
  4. Step 4: Simplify right side
    25,318.93x = 488,755,517.12
  5. Step 5: Solve for x
    x = 488,755,517.12/25,318.93
  6. Step 6: Final answer
    x = 19,303.96

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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.