Home / 22,178.13-30,602.91-13,226.68

Finding the Fourth Proportional to 22,178.13, 30,602.91 and 13,226.68

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Solution

The fourth proportional to 22,178.13, 30,602.91 and 13,226.68 is: 18,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.13 : 30,602.91 = 13,226.68 : x
  2. Step 2: Convert to fraction form
    22,178.13/30,602.91 = 13,226.68/x
  3. Step 3: Cross multiply
    22,178.13x = 30,602.91 × 13,226.68
  4. Step 4: Simplify right side
    22,178.13x = 404,774,897.64
  5. Step 5: Solve for x
    x = 404,774,897.64/22,178.13
  6. Step 6: Final answer
    x = 18,251.08

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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.