Home / 22,124.60-33,178.10-7,329.40

Finding the Fourth Proportional to 22,124.60, 33,178.10 and 7,329.40

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Solution

The fourth proportional to 22,124.60, 33,178.10 and 7,329.40 is: 10,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.60 : 33,178.10 = 7,329.40 : x
  2. Step 2: Convert to fraction form
    22,124.60/33,178.10 = 7,329.40/x
  3. Step 3: Cross multiply
    22,124.60x = 33,178.10 × 7,329.40
  4. Step 4: Simplify right side
    22,124.60x = 243,175,566.14
  5. Step 5: Solve for x
    x = 243,175,566.14/22,124.60
  6. Step 6: Final answer
    x = 10,991.18

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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.