Home / 22,833.40-31,512.36-13,401.76

Finding the Fourth Proportional to 22,833.40, 31,512.36 and 13,401.76

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Solution

The fourth proportional to 22,833.40, 31,512.36 and 13,401.76 is: 18,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,833.40 : 31,512.36 = 13,401.76 : x
  2. Step 2: Convert to fraction form
    22,833.40/31,512.36 = 13,401.76/x
  3. Step 3: Cross multiply
    22,833.40x = 31,512.36 × 13,401.76
  4. Step 4: Simplify right side
    22,833.40x = 422,321,085.75
  5. Step 5: Solve for x
    x = 422,321,085.75/22,833.40
  6. Step 6: Final answer
    x = 18,495.76

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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.