Home / 18,442.20-25,453.54-10,888.08

Finding the Fourth Proportional to 18,442.20, 25,453.54 and 10,888.08

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Solution

The fourth proportional to 18,442.20, 25,453.54 and 10,888.08 is: 15,027.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.20 : 25,453.54 = 10,888.08 : x
  2. Step 2: Convert to fraction form
    18,442.20/25,453.54 = 10,888.08/x
  3. Step 3: Cross multiply
    18,442.20x = 25,453.54 × 10,888.08
  4. Step 4: Simplify right side
    18,442.20x = 277,140,179.80
  5. Step 5: Solve for x
    x = 277,140,179.80/18,442.20
  6. Step 6: Final answer
    x = 15,027.50

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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.