Home / 25,581.97-35,293.76-15,503.14

Finding the Fourth Proportional to 25,581.97, 35,293.76 and 15,503.14

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Solution

The fourth proportional to 25,581.97, 35,293.76 and 15,503.14 is: 21,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,581.97 : 35,293.76 = 15,503.14 : x
  2. Step 2: Convert to fraction form
    25,581.97/35,293.76 = 15,503.14/x
  3. Step 3: Cross multiply
    25,581.97x = 35,293.76 × 15,503.14
  4. Step 4: Simplify right side
    25,581.97x = 547,164,024.89
  5. Step 5: Solve for x
    x = 547,164,024.89/25,581.97
  6. Step 6: Final answer
    x = 21,388.66

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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.