Home / 22,424-30,945.12-12,998.03

Finding the Fourth Proportional to 22,424, 30,945.12 and 12,998.03

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Solution

The fourth proportional to 22,424, 30,945.12 and 12,998.03 is: 17,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,424 : 30,945.12 = 12,998.03 : x
  2. Step 2: Convert to fraction form
    22,424/30,945.12 = 12,998.03/x
  3. Step 3: Cross multiply
    22,424x = 30,945.12 × 12,998.03
  4. Step 4: Simplify right side
    22,424x = 402,225,598.11
  5. Step 5: Solve for x
    x = 402,225,598.11/22,424
  6. Step 6: Final answer
    x = 17,937.28

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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.