Home / 13,824.93-20,737.51-8,575.22

Finding the Fourth Proportional to 13,824.93, 20,737.51 and 8,575.22

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Solution

The fourth proportional to 13,824.93, 20,737.51 and 8,575.22 is: 12,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.93 : 20,737.51 = 8,575.22 : x
  2. Step 2: Convert to fraction form
    13,824.93/20,737.51 = 8,575.22/x
  3. Step 3: Cross multiply
    13,824.93x = 20,737.51 × 8,575.22
  4. Step 4: Simplify right side
    13,824.93x = 177,828,612.20
  5. Step 5: Solve for x
    x = 177,828,612.20/13,824.93
  6. Step 6: Final answer
    x = 12,862.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.