Home / 13,246.25-18,260.55-9,254.97

Finding the Fourth Proportional to 13,246.25, 18,260.55 and 9,254.97

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Solution

The fourth proportional to 13,246.25, 18,260.55 and 9,254.97 is: 12,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.25 : 18,260.55 = 9,254.97 : x
  2. Step 2: Convert to fraction form
    13,246.25/18,260.55 = 9,254.97/x
  3. Step 3: Cross multiply
    13,246.25x = 18,260.55 × 9,254.97
  4. Step 4: Simplify right side
    13,246.25x = 169,000,842.43
  5. Step 5: Solve for x
    x = 169,000,842.43/13,246.25
  6. Step 6: Final answer
    x = 12,758.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.