Home / 25,647.93-35,403.57-15,046.47

Finding the Fourth Proportional to 25,647.93, 35,403.57 and 15,046.47

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Solution

The fourth proportional to 25,647.93, 35,403.57 and 15,046.47 is: 20,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,647.93 : 35,403.57 = 15,046.47 : x
  2. Step 2: Convert to fraction form
    25,647.93/35,403.57 = 15,046.47/x
  3. Step 3: Cross multiply
    25,647.93x = 35,403.57 × 15,046.47
  4. Step 4: Simplify right side
    25,647.93x = 532,698,753.90
  5. Step 5: Solve for x
    x = 532,698,753.90/25,647.93
  6. Step 6: Final answer
    x = 20,769.66

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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.