Home / 25,017.14-34,523.53-13,686.43

Finding the Fourth Proportional to 25,017.14, 34,523.53 and 13,686.43

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Solution

The fourth proportional to 25,017.14, 34,523.53 and 13,686.43 is: 18,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,017.14 : 34,523.53 = 13,686.43 : x
  2. Step 2: Convert to fraction form
    25,017.14/34,523.53 = 13,686.43/x
  3. Step 3: Cross multiply
    25,017.14x = 34,523.53 × 13,686.43
  4. Step 4: Simplify right side
    25,017.14x = 472,503,721.96
  5. Step 5: Solve for x
    x = 472,503,721.96/25,017.14
  6. Step 6: Final answer
    x = 18,887.20

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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.