Home / 25,393.62-35,055.16-16,909.86

Finding the Fourth Proportional to 25,393.62, 35,055.16 and 16,909.86

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Solution

The fourth proportional to 25,393.62, 35,055.16 and 16,909.86 is: 23,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393.62 : 35,055.16 = 16,909.86 : x
  2. Step 2: Convert to fraction form
    25,393.62/35,055.16 = 16,909.86/x
  3. Step 3: Cross multiply
    25,393.62x = 35,055.16 × 16,909.86
  4. Step 4: Simplify right side
    25,393.62x = 592,777,847.88
  5. Step 5: Solve for x
    x = 592,777,847.88/25,393.62
  6. Step 6: Final answer
    x = 23,343.57

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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.