Home / 22,245.12-33,350.40-13,000.32

Finding the Fourth Proportional to 22,245.12, 33,350.40 and 13,000.32

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Solution

The fourth proportional to 22,245.12, 33,350.40 and 13,000.32 is: 19,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.12 : 33,350.40 = 13,000.32 : x
  2. Step 2: Convert to fraction form
    22,245.12/33,350.40 = 13,000.32/x
  3. Step 3: Cross multiply
    22,245.12x = 33,350.40 × 13,000.32
  4. Step 4: Simplify right side
    22,245.12x = 433,565,872.13
  5. Step 5: Solve for x
    x = 433,565,872.13/22,245.12
  6. Step 6: Final answer
    x = 19,490.38

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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.