Home / 12,402.50-18,586.29-9,616.19

Finding the Fourth Proportional to 12,402.50, 18,586.29 and 9,616.19

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Solution

The fourth proportional to 12,402.50, 18,586.29 and 9,616.19 is: 14,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.50 : 18,586.29 = 9,616.19 : x
  2. Step 2: Convert to fraction form
    12,402.50/18,586.29 = 9,616.19/x
  3. Step 3: Cross multiply
    12,402.50x = 18,586.29 × 9,616.19
  4. Step 4: Simplify right side
    12,402.50x = 178,729,296.04
  5. Step 5: Solve for x
    x = 178,729,296.04/12,402.50
  6. Step 6: Final answer
    x = 14,410.75

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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.