Home / 27,624.57-38,137.63-18,209.53

Finding the Fourth Proportional to 27,624.57, 38,137.63 and 18,209.53

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Solution

The fourth proportional to 27,624.57, 38,137.63 and 18,209.53 is: 25,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,624.57 : 38,137.63 = 18,209.53 : x
  2. Step 2: Convert to fraction form
    27,624.57/38,137.63 = 18,209.53/x
  3. Step 3: Cross multiply
    27,624.57x = 38,137.63 × 18,209.53
  4. Step 4: Simplify right side
    27,624.57x = 694,468,317.61
  5. Step 5: Solve for x
    x = 694,468,317.61/27,624.57
  6. Step 6: Final answer
    x = 25,139.52

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Half scale
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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.