Home / 23,114.29-31,901.63-13,422.23

Finding the Fourth Proportional to 23,114.29, 31,901.63 and 13,422.23

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Solution

The fourth proportional to 23,114.29, 31,901.63 and 13,422.23 is: 18,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,114.29 : 31,901.63 = 13,422.23 : x
  2. Step 2: Convert to fraction form
    23,114.29/31,901.63 = 13,422.23/x
  3. Step 3: Cross multiply
    23,114.29x = 31,901.63 × 13,422.23
  4. Step 4: Simplify right side
    23,114.29x = 428,191,125.44
  5. Step 5: Solve for x
    x = 428,191,125.44/23,114.29
  6. Step 6: Final answer
    x = 18,524.95

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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.