Home / 18,281.16-27,417.48-5,134.80

Finding the Fourth Proportional to 18,281.16, 27,417.48 and 5,134.80

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Solution

The fourth proportional to 18,281.16, 27,417.48 and 5,134.80 is: 7,701.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.16 : 27,417.48 = 5,134.80 : x
  2. Step 2: Convert to fraction form
    18,281.16/27,417.48 = 5,134.80/x
  3. Step 3: Cross multiply
    18,281.16x = 27,417.48 × 5,134.80
  4. Step 4: Simplify right side
    18,281.16x = 140,783,276.30
  5. Step 5: Solve for x
    x = 140,783,276.30/18,281.16
  6. Step 6: Final answer
    x = 7,701.00

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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.