Home / 18,541.74-27,818.55-5,394.90

Finding the Fourth Proportional to 18,541.74, 27,818.55 and 5,394.90

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Solution

The fourth proportional to 18,541.74, 27,818.55 and 5,394.90 is: 8,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.74 : 27,818.55 = 5,394.90 : x
  2. Step 2: Convert to fraction form
    18,541.74/27,818.55 = 5,394.90/x
  3. Step 3: Cross multiply
    18,541.74x = 27,818.55 × 5,394.90
  4. Step 4: Simplify right side
    18,541.74x = 150,078,295.40
  5. Step 5: Solve for x
    x = 150,078,295.40/18,541.74
  6. Step 6: Final answer
    x = 8,094.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.