Home / 22,751.66-31,397.34-13,193.40

Finding the Fourth Proportional to 22,751.66, 31,397.34 and 13,193.40

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Solution

The fourth proportional to 22,751.66, 31,397.34 and 13,193.40 is: 18,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.66 : 31,397.34 = 13,193.40 : x
  2. Step 2: Convert to fraction form
    22,751.66/31,397.34 = 13,193.40/x
  3. Step 3: Cross multiply
    22,751.66x = 31,397.34 × 13,193.40
  4. Step 4: Simplify right side
    22,751.66x = 414,237,665.56
  5. Step 5: Solve for x
    x = 414,237,665.56/22,751.66
  6. Step 6: Final answer
    x = 18,206.92

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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.