Home / 15,279.40-22,880.14-10,069.48

Finding the Fourth Proportional to 15,279.40, 22,880.14 and 10,069.48

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Solution

The fourth proportional to 15,279.40, 22,880.14 and 10,069.48 is: 15,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.40 : 22,880.14 = 10,069.48 : x
  2. Step 2: Convert to fraction form
    15,279.40/22,880.14 = 10,069.48/x
  3. Step 3: Cross multiply
    15,279.40x = 22,880.14 × 10,069.48
  4. Step 4: Simplify right side
    15,279.40x = 230,391,112.13
  5. Step 5: Solve for x
    x = 230,391,112.13/15,279.40
  6. Step 6: Final answer
    x = 15,078.54

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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.