Home / 22,132.08-30,528.84-13,173.60

Finding the Fourth Proportional to 22,132.08, 30,528.84 and 13,173.60

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Solution

The fourth proportional to 22,132.08, 30,528.84 and 13,173.60 is: 18,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.08 : 30,528.84 = 13,173.60 : x
  2. Step 2: Convert to fraction form
    22,132.08/30,528.84 = 13,173.60/x
  3. Step 3: Cross multiply
    22,132.08x = 30,528.84 × 13,173.60
  4. Step 4: Simplify right side
    22,132.08x = 402,174,726.62
  5. Step 5: Solve for x
    x = 402,174,726.62/22,132.08
  6. Step 6: Final answer
    x = 18,171.57

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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.