Home / 22,140.60-33,200.58-11,749.56

Finding the Fourth Proportional to 22,140.60, 33,200.58 and 11,749.56

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Solution

The fourth proportional to 22,140.60, 33,200.58 and 11,749.56 is: 17,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.60 : 33,200.58 = 11,749.56 : x
  2. Step 2: Convert to fraction form
    22,140.60/33,200.58 = 11,749.56/x
  3. Step 3: Cross multiply
    22,140.60x = 33,200.58 × 11,749.56
  4. Step 4: Simplify right side
    22,140.60x = 390,092,206.74
  5. Step 5: Solve for x
    x = 390,092,206.74/22,140.60
  6. Step 6: Final answer
    x = 17,618.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.