Home / 22,422.24-30,941.10-13,347.12

Finding the Fourth Proportional to 22,422.24, 30,941.10 and 13,347.12

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Solution

The fourth proportional to 22,422.24, 30,941.10 and 13,347.12 is: 18,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.24 : 30,941.10 = 13,347.12 : x
  2. Step 2: Convert to fraction form
    22,422.24/30,941.10 = 13,347.12/x
  3. Step 3: Cross multiply
    22,422.24x = 30,941.10 × 13,347.12
  4. Step 4: Simplify right side
    22,422.24x = 412,974,574.63
  5. Step 5: Solve for x
    x = 412,974,574.63/22,422.24
  6. Step 6: Final answer
    x = 18,418.08

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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.