Home / 22,157.15-33,157.65-13,841.08

Finding the Fourth Proportional to 22,157.15, 33,157.65 and 13,841.08

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Solution

The fourth proportional to 22,157.15, 33,157.65 and 13,841.08 is: 20,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.15 : 33,157.65 = 13,841.08 : x
  2. Step 2: Convert to fraction form
    22,157.15/33,157.65 = 13,841.08/x
  3. Step 3: Cross multiply
    22,157.15x = 33,157.65 × 13,841.08
  4. Step 4: Simplify right side
    22,157.15x = 458,937,686.26
  5. Step 5: Solve for x
    x = 458,937,686.26/22,157.15
  6. Step 6: Final answer
    x = 20,712.85

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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.