Home / 18,329.79-25,306.58-12,597.12

Finding the Fourth Proportional to 18,329.79, 25,306.58 and 12,597.12

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Solution

The fourth proportional to 18,329.79, 25,306.58 and 12,597.12 is: 17,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.79 : 25,306.58 = 12,597.12 : x
  2. Step 2: Convert to fraction form
    18,329.79/25,306.58 = 12,597.12/x
  3. Step 3: Cross multiply
    18,329.79x = 25,306.58 × 12,597.12
  4. Step 4: Simplify right side
    18,329.79x = 318,789,962.06
  5. Step 5: Solve for x
    x = 318,789,962.06/18,329.79
  6. Step 6: Final answer
    x = 17,391.90

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Half scale
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Double 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.