Home / 25,731.74-35,518.56-15,124.52

Finding the Fourth Proportional to 25,731.74, 35,518.56 and 15,124.52

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Solution

The fourth proportional to 25,731.74, 35,518.56 and 15,124.52 is: 20,876.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.74 : 35,518.56 = 15,124.52 : x
  2. Step 2: Convert to fraction form
    25,731.74/35,518.56 = 15,124.52/x
  3. Step 3: Cross multiply
    25,731.74x = 35,518.56 × 15,124.52
  4. Step 4: Simplify right side
    25,731.74x = 537,201,171.09
  5. Step 5: Solve for x
    x = 537,201,171.09/25,731.74
  6. Step 6: Final answer
    x = 20,876.99

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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.