Home / 25,013.95-34,519.29-13,683.49

Finding the Fourth Proportional to 25,013.95, 34,519.29 and 13,683.49

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Solution

The fourth proportional to 25,013.95, 34,519.29 and 13,683.49 is: 18,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,013.95 : 34,519.29 = 13,683.49 : x
  2. Step 2: Convert to fraction form
    25,013.95/34,519.29 = 13,683.49/x
  3. Step 3: Cross multiply
    25,013.95x = 34,519.29 × 13,683.49
  4. Step 4: Simplify right side
    25,013.95x = 472,344,359.52
  5. Step 5: Solve for x
    x = 472,344,359.52/25,013.95
  6. Step 6: Final answer
    x = 18,883.24

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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.