Home / 25,540.20-35,246.16-15,466.50

Finding the Fourth Proportional to 25,540.20, 35,246.16 and 15,466.50

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Solution

The fourth proportional to 25,540.20, 35,246.16 and 15,466.50 is: 21,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540.20 : 35,246.16 = 15,466.50 : x
  2. Step 2: Convert to fraction form
    25,540.20/35,246.16 = 15,466.50/x
  3. Step 3: Cross multiply
    25,540.20x = 35,246.16 × 15,466.50
  4. Step 4: Simplify right side
    25,540.20x = 545,134,733.64
  5. Step 5: Solve for x
    x = 545,134,733.64/25,540.20
  6. Step 6: Final answer
    x = 21,344.18

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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.