Home / 22,102.40-33,124.48-10,399.68

Finding the Fourth Proportional to 22,102.40, 33,124.48 and 10,399.68

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Solution

The fourth proportional to 22,102.40, 33,124.48 and 10,399.68 is: 15,585.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102.40 : 33,124.48 = 10,399.68 : x
  2. Step 2: Convert to fraction form
    22,102.40/33,124.48 = 10,399.68/x
  3. Step 3: Cross multiply
    22,102.40x = 33,124.48 × 10,399.68
  4. Step 4: Simplify right side
    22,102.40x = 344,483,992.17
  5. Step 5: Solve for x
    x = 344,483,992.17/22,102.40
  6. Step 6: Final answer
    x = 15,585.82

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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.