Home / 15,280.08-22,920.44-4,891.80

Finding the Fourth Proportional to 15,280.08, 22,920.44 and 4,891.80

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Solution

The fourth proportional to 15,280.08, 22,920.44 and 4,891.80 is: 7,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.08 : 22,920.44 = 4,891.80 : x
  2. Step 2: Convert to fraction form
    15,280.08/22,920.44 = 4,891.80/x
  3. Step 3: Cross multiply
    15,280.08x = 22,920.44 × 4,891.80
  4. Step 4: Simplify right side
    15,280.08x = 112,122,208.39
  5. Step 5: Solve for x
    x = 112,122,208.39/15,280.08
  6. Step 6: Final answer
    x = 7,337.80

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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.