Home / 25,605.63-38,432.43-15,764.13

Finding the Fourth Proportional to 25,605.63, 38,432.43 and 15,764.13

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Solution

The fourth proportional to 25,605.63, 38,432.43 and 15,764.13 is: 23,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.63 : 38,432.43 = 15,764.13 : x
  2. Step 2: Convert to fraction form
    25,605.63/38,432.43 = 15,764.13/x
  3. Step 3: Cross multiply
    25,605.63x = 38,432.43 × 15,764.13
  4. Step 4: Simplify right side
    25,605.63x = 605,853,822.74
  5. Step 5: Solve for x
    x = 605,853,822.74/25,605.63
  6. Step 6: Final answer
    x = 23,660.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.