Home / 20,260.98-30,394.53-9,167.45

Finding the Fourth Proportional to 20,260.98, 30,394.53 and 9,167.45

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Solution

The fourth proportional to 20,260.98, 30,394.53 and 9,167.45 is: 13,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.98 : 30,394.53 = 9,167.45 : x
  2. Step 2: Convert to fraction form
    20,260.98/30,394.53 = 9,167.45/x
  3. Step 3: Cross multiply
    20,260.98x = 30,394.53 × 9,167.45
  4. Step 4: Simplify right side
    20,260.98x = 278,640,182.08
  5. Step 5: Solve for x
    x = 278,640,182.08/20,260.98
  6. Step 6: Final answer
    x = 13,752.55

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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.