Home / 22,242.44-30,695.02-13,289.94

Finding the Fourth Proportional to 22,242.44, 30,695.02 and 13,289.94

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Solution

The fourth proportional to 22,242.44, 30,695.02 and 13,289.94 is: 18,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.44 : 30,695.02 = 13,289.94 : x
  2. Step 2: Convert to fraction form
    22,242.44/30,695.02 = 13,289.94/x
  3. Step 3: Cross multiply
    22,242.44x = 30,695.02 × 13,289.94
  4. Step 4: Simplify right side
    22,242.44x = 407,934,974.10
  5. Step 5: Solve for x
    x = 407,934,974.10/22,242.44
  6. Step 6: Final answer
    x = 18,340.39

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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.