Home / 25,246.36-34,840.04-15,180.56

Finding the Fourth Proportional to 25,246.36, 34,840.04 and 15,180.56

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Solution

The fourth proportional to 25,246.36, 34,840.04 and 15,180.56 is: 20,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,246.36 : 34,840.04 = 15,180.56 : x
  2. Step 2: Convert to fraction form
    25,246.36/34,840.04 = 15,180.56/x
  3. Step 3: Cross multiply
    25,246.36x = 34,840.04 × 15,180.56
  4. Step 4: Simplify right side
    25,246.36x = 528,891,442.67
  5. Step 5: Solve for x
    x = 528,891,442.67/25,246.36
  6. Step 6: Final answer
    x = 20,949.22

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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.