Home / 23,781.18-32,818.30-13,170.98

Finding the Fourth Proportional to 23,781.18, 32,818.30 and 13,170.98

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Solution

The fourth proportional to 23,781.18, 32,818.30 and 13,170.98 is: 18,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.18 : 32,818.30 = 13,170.98 : x
  2. Step 2: Convert to fraction form
    23,781.18/32,818.30 = 13,170.98/x
  3. Step 3: Cross multiply
    23,781.18x = 32,818.30 × 13,170.98
  4. Step 4: Simplify right side
    23,781.18x = 432,249,172.93
  5. Step 5: Solve for x
    x = 432,249,172.93/23,781.18
  6. Step 6: Final answer
    x = 18,176.10

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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.