Home / 22,242.08-30,699.24-13,295

Finding the Fourth Proportional to 22,242.08, 30,699.24 and 13,295

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Solution

The fourth proportional to 22,242.08, 30,699.24 and 13,295 is: 18,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.08 : 30,699.24 = 13,295 : x
  2. Step 2: Convert to fraction form
    22,242.08/30,699.24 = 13,295/x
  3. Step 3: Cross multiply
    22,242.08x = 30,699.24 × 13,295
  4. Step 4: Simplify right side
    22,242.08x = 408,146,395.80
  5. Step 5: Solve for x
    x = 408,146,395.80/22,242.08
  6. Step 6: Final answer
    x = 18,350.19

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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.