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Finding the Fourth Proportional to 12,373.19, 18,526.57 and 10,404.89

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Solution

The fourth proportional to 12,373.19, 18,526.57 and 10,404.89 is: 15,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.19 : 18,526.57 = 10,404.89 : x
  2. Step 2: Convert to fraction form
    12,373.19/18,526.57 = 10,404.89/x
  3. Step 3: Cross multiply
    12,373.19x = 18,526.57 × 10,404.89
  4. Step 4: Simplify right side
    12,373.19x = 192,766,922.93
  5. Step 5: Solve for x
    x = 192,766,922.93/12,373.19
  6. Step 6: Final answer
    x = 15,579.40

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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.