Home / 18,135.20-25,026.56-10,580.96

Finding the Fourth Proportional to 18,135.20, 25,026.56 and 10,580.96

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Solution

The fourth proportional to 18,135.20, 25,026.56 and 10,580.96 is: 14,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.20 : 25,026.56 = 10,580.96 : x
  2. Step 2: Convert to fraction form
    18,135.20/25,026.56 = 10,580.96/x
  3. Step 3: Cross multiply
    18,135.20x = 25,026.56 × 10,580.96
  4. Step 4: Simplify right side
    18,135.20x = 264,805,030.30
  5. Step 5: Solve for x
    x = 264,805,030.30/18,135.20
  6. Step 6: Final answer
    x = 14,601.72

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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.