Home / 22,749.68-31,386.03-13,793.92

Finding the Fourth Proportional to 22,749.68, 31,386.03 and 13,793.92

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Solution

The fourth proportional to 22,749.68, 31,386.03 and 13,793.92 is: 19,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.68 : 31,386.03 = 13,793.92 : x
  2. Step 2: Convert to fraction form
    22,749.68/31,386.03 = 13,793.92/x
  3. Step 3: Cross multiply
    22,749.68x = 31,386.03 × 13,793.92
  4. Step 4: Simplify right side
    22,749.68x = 432,936,256.75
  5. Step 5: Solve for x
    x = 432,936,256.75/22,749.68
  6. Step 6: Final answer
    x = 19,030.43

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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.