Home / 15,076.80-22,620.16-7,284.48

Finding the Fourth Proportional to 15,076.80, 22,620.16 and 7,284.48

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Solution

The fourth proportional to 15,076.80, 22,620.16 and 7,284.48 is: 10,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.80 : 22,620.16 = 7,284.48 : x
  2. Step 2: Convert to fraction form
    15,076.80/22,620.16 = 7,284.48/x
  3. Step 3: Cross multiply
    15,076.80x = 22,620.16 × 7,284.48
  4. Step 4: Simplify right side
    15,076.80x = 164,776,103.12
  5. Step 5: Solve for x
    x = 164,776,103.12/15,076.80
  6. Step 6: Final answer
    x = 10,929.12

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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.