Home / 23,280.18-34,920.59-6,640.22

Finding the Fourth Proportional to 23,280.18, 34,920.59 and 6,640.22

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Solution

The fourth proportional to 23,280.18, 34,920.59 and 6,640.22 is: 9,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.18 : 34,920.59 = 6,640.22 : x
  2. Step 2: Convert to fraction form
    23,280.18/34,920.59 = 6,640.22/x
  3. Step 3: Cross multiply
    23,280.18x = 34,920.59 × 6,640.22
  4. Step 4: Simplify right side
    23,280.18x = 231,880,400.13
  5. Step 5: Solve for x
    x = 231,880,400.13/23,280.18
  6. Step 6: Final answer
    x = 9,960.42

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Double scale
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Similar ratio
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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.