Home / 17,521.42-26,154.20-15,197.80

Finding the Fourth Proportional to 17,521.42, 26,154.20 and 15,197.80

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Solution

The fourth proportional to 17,521.42, 26,154.20 and 15,197.80 is: 22,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,521.42 : 26,154.20 = 15,197.80 : x
  2. Step 2: Convert to fraction form
    17,521.42/26,154.20 = 15,197.80/x
  3. Step 3: Cross multiply
    17,521.42x = 26,154.20 × 15,197.80
  4. Step 4: Simplify right side
    17,521.42x = 397,486,300.76
  5. Step 5: Solve for x
    x = 397,486,300.76/17,521.42
  6. Step 6: Final answer
    x = 22,685.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.