Home / 22,130.20-33,207.45-10,443.11

Finding the Fourth Proportional to 22,130.20, 33,207.45 and 10,443.11

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Solution

The fourth proportional to 22,130.20, 33,207.45 and 10,443.11 is: 15,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.20 : 33,207.45 = 10,443.11 : x
  2. Step 2: Convert to fraction form
    22,130.20/33,207.45 = 10,443.11/x
  3. Step 3: Cross multiply
    22,130.20x = 33,207.45 × 10,443.11
  4. Step 4: Simplify right side
    22,130.20x = 346,789,000.95
  5. Step 5: Solve for x
    x = 346,789,000.95/22,130.20
  6. Step 6: Final answer
    x = 15,670.40

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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.