Home / 22,530.62-31,091.00-12,458.46

Finding the Fourth Proportional to 22,530.62, 31,091.00 and 12,458.46

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Solution

The fourth proportional to 22,530.62, 31,091.00 and 12,458.46 is: 17,191.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.62 : 31,091.00 = 12,458.46 : x
  2. Step 2: Convert to fraction form
    22,530.62/31,091.00 = 12,458.46/x
  3. Step 3: Cross multiply
    22,530.62x = 31,091.00 × 12,458.46
  4. Step 4: Simplify right side
    22,530.62x = 387,346,011.01
  5. Step 5: Solve for x
    x = 387,346,011.01/22,530.62
  6. Step 6: Final answer
    x = 17,191.98

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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.