Home / 25,401.50-35,045.96-16,455.86

Finding the Fourth Proportional to 25,401.50, 35,045.96 and 16,455.86

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Solution

The fourth proportional to 25,401.50, 35,045.96 and 16,455.86 is: 22,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.50 : 35,045.96 = 16,455.86 : x
  2. Step 2: Convert to fraction form
    25,401.50/35,045.96 = 16,455.86/x
  3. Step 3: Cross multiply
    25,401.50x = 35,045.96 × 16,455.86
  4. Step 4: Simplify right side
    25,401.50x = 576,711,411.33
  5. Step 5: Solve for x
    x = 576,711,411.33/25,401.50
  6. Step 6: Final answer
    x = 22,703.83

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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.