Home / 25,245.86-34,853.22-15,176.72

Finding the Fourth Proportional to 25,245.86, 34,853.22 and 15,176.72

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Solution

The fourth proportional to 25,245.86, 34,853.22 and 15,176.72 is: 20,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.86 : 34,853.22 = 15,176.72 : x
  2. Step 2: Convert to fraction form
    25,245.86/34,853.22 = 15,176.72/x
  3. Step 3: Cross multiply
    25,245.86x = 34,853.22 × 15,176.72
  4. Step 4: Simplify right side
    25,245.86x = 528,957,561.04
  5. Step 5: Solve for x
    x = 528,957,561.04/25,245.86
  6. Step 6: Final answer
    x = 20,952.25

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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.