Home / 22,069.78-30,427.86-18,032.40

Finding the Fourth Proportional to 22,069.78, 30,427.86 and 18,032.40

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Solution

The fourth proportional to 22,069.78, 30,427.86 and 18,032.40 is: 24,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.78 : 30,427.86 = 18,032.40 : x
  2. Step 2: Convert to fraction form
    22,069.78/30,427.86 = 18,032.40/x
  3. Step 3: Cross multiply
    22,069.78x = 30,427.86 × 18,032.40
  4. Step 4: Simplify right side
    22,069.78x = 548,687,342.66
  5. Step 5: Solve for x
    x = 548,687,342.66/22,069.78
  6. Step 6: Final answer
    x = 24,861.48

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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.