Home / 22,858.60-31,551.20-13,300.33

Finding the Fourth Proportional to 22,858.60, 31,551.20 and 13,300.33

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Solution

The fourth proportional to 22,858.60, 31,551.20 and 13,300.33 is: 18,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,858.60 : 31,551.20 = 13,300.33 : x
  2. Step 2: Convert to fraction form
    22,858.60/31,551.20 = 13,300.33/x
  3. Step 3: Cross multiply
    22,858.60x = 31,551.20 × 13,300.33
  4. Step 4: Simplify right side
    22,858.60x = 419,641,326.27
  5. Step 5: Solve for x
    x = 419,641,326.27/22,858.60
  6. Step 6: Final answer
    x = 18,358.14

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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.