Home / 25,040.76-34,555.95-13,862.76

Finding the Fourth Proportional to 25,040.76, 34,555.95 and 13,862.76

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Solution

The fourth proportional to 25,040.76, 34,555.95 and 13,862.76 is: 19,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.76 : 34,555.95 = 13,862.76 : x
  2. Step 2: Convert to fraction form
    25,040.76/34,555.95 = 13,862.76/x
  3. Step 3: Cross multiply
    25,040.76x = 34,555.95 × 13,862.76
  4. Step 4: Simplify right side
    25,040.76x = 479,040,841.42
  5. Step 5: Solve for x
    x = 479,040,841.42/25,040.76
  6. Step 6: Final answer
    x = 19,130.44

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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.