Home / 25,060.86-34,505.19-20,360.70

Finding the Fourth Proportional to 25,060.86, 34,505.19 and 20,360.70

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Solution

The fourth proportional to 25,060.86, 34,505.19 and 20,360.70 is: 28,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,060.86 : 34,505.19 = 20,360.70 : x
  2. Step 2: Convert to fraction form
    25,060.86/34,505.19 = 20,360.70/x
  3. Step 3: Cross multiply
    25,060.86x = 34,505.19 × 20,360.70
  4. Step 4: Simplify right side
    25,060.86x = 702,549,822.03
  5. Step 5: Solve for x
    x = 702,549,822.03/25,060.86
  6. Step 6: Final answer
    x = 28,033.75

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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.