Home / 22,158.90-30,575.52-13,206.24

Finding the Fourth Proportional to 22,158.90, 30,575.52 and 13,206.24

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Solution

The fourth proportional to 22,158.90, 30,575.52 and 13,206.24 is: 18,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,158.90 : 30,575.52 = 13,206.24 : x
  2. Step 2: Convert to fraction form
    22,158.90/30,575.52 = 13,206.24/x
  3. Step 3: Cross multiply
    22,158.90x = 30,575.52 × 13,206.24
  4. Step 4: Simplify right side
    22,158.90x = 403,787,655.24
  5. Step 5: Solve for x
    x = 403,787,655.24/22,158.90
  6. Step 6: Final answer
    x = 18,222.37

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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.