Home / 18,537.65-25,593.56-14,280.69

Finding the Fourth Proportional to 18,537.65, 25,593.56 and 14,280.69

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Solution

The fourth proportional to 18,537.65, 25,593.56 and 14,280.69 is: 19,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.65 : 25,593.56 = 14,280.69 : x
  2. Step 2: Convert to fraction form
    18,537.65/25,593.56 = 14,280.69/x
  3. Step 3: Cross multiply
    18,537.65x = 25,593.56 × 14,280.69
  4. Step 4: Simplify right side
    18,537.65x = 365,493,732.06
  5. Step 5: Solve for x
    x = 365,493,732.06/18,537.65
  6. Step 6: Final answer
    x = 19,716.30

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Half scale
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Double scale
Find fourth proportional to 18,538.65, 25,594.94 and 14,281.69
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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.