Home / 22,002.40-30,343.62-17,278.48

Finding the Fourth Proportional to 22,002.40, 30,343.62 and 17,278.48

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Solution

The fourth proportional to 22,002.40, 30,343.62 and 17,278.48 is: 23,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.40 : 30,343.62 = 17,278.48 : x
  2. Step 2: Convert to fraction form
    22,002.40/30,343.62 = 17,278.48/x
  3. Step 3: Cross multiply
    22,002.40x = 30,343.62 × 17,278.48
  4. Step 4: Simplify right side
    22,002.40x = 524,291,631.30
  5. Step 5: Solve for x
    x = 524,291,631.30/22,002.40
  6. Step 6: Final answer
    x = 23,828.84

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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.