Home / 25,777.26-35,572-15,167.58

Finding the Fourth Proportional to 25,777.26, 35,572 and 15,167.58

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Solution

The fourth proportional to 25,777.26, 35,572 and 15,167.58 is: 20,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.26 : 35,572 = 15,167.58 : x
  2. Step 2: Convert to fraction form
    25,777.26/35,572 = 15,167.58/x
  3. Step 3: Cross multiply
    25,777.26x = 35,572 × 15,167.58
  4. Step 4: Simplify right side
    25,777.26x = 539,541,155.76
  5. Step 5: Solve for x
    x = 539,541,155.76/25,777.26
  6. Step 6: Final answer
    x = 20,930.90

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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.