Home / 18,365.40-27,551.52-8,498.16

Finding the Fourth Proportional to 18,365.40, 27,551.52 and 8,498.16

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Solution

The fourth proportional to 18,365.40, 27,551.52 and 8,498.16 is: 12,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.40 : 27,551.52 = 8,498.16 : x
  2. Step 2: Convert to fraction form
    18,365.40/27,551.52 = 8,498.16/x
  3. Step 3: Cross multiply
    18,365.40x = 27,551.52 × 8,498.16
  4. Step 4: Simplify right side
    18,365.40x = 234,137,225.20
  5. Step 5: Solve for x
    x = 234,137,225.20/18,365.40
  6. Step 6: Final answer
    x = 12,748.82

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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.