Home / 25,759.41-35,543.17-15,145.17

Finding the Fourth Proportional to 25,759.41, 35,543.17 and 15,145.17

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Solution

The fourth proportional to 25,759.41, 35,543.17 and 15,145.17 is: 20,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.41 : 35,543.17 = 15,145.17 : x
  2. Step 2: Convert to fraction form
    25,759.41/35,543.17 = 15,145.17/x
  3. Step 3: Cross multiply
    25,759.41x = 35,543.17 × 15,145.17
  4. Step 4: Simplify right side
    25,759.41x = 538,307,351.99
  5. Step 5: Solve for x
    x = 538,307,351.99/25,759.41
  6. Step 6: Final answer
    x = 20,897.50

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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.