Home / 22,860.26-31,551.27-13,429.34

Finding the Fourth Proportional to 22,860.26, 31,551.27 and 13,429.34

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Solution

The fourth proportional to 22,860.26, 31,551.27 and 13,429.34 is: 18,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.26 : 31,551.27 = 13,429.34 : x
  2. Step 2: Convert to fraction form
    22,860.26/31,551.27 = 13,429.34/x
  3. Step 3: Cross multiply
    22,860.26x = 31,551.27 × 13,429.34
  4. Step 4: Simplify right side
    22,860.26x = 423,712,732.26
  5. Step 5: Solve for x
    x = 423,712,732.26/22,860.26
  6. Step 6: Final answer
    x = 18,534.90

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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.