Home / 15,960.18-22,027.68-12,176.22

Finding the Fourth Proportional to 15,960.18, 22,027.68 and 12,176.22

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Solution

The fourth proportional to 15,960.18, 22,027.68 and 12,176.22 is: 16,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.18 : 22,027.68 = 12,176.22 : x
  2. Step 2: Convert to fraction form
    15,960.18/22,027.68 = 12,176.22/x
  3. Step 3: Cross multiply
    15,960.18x = 22,027.68 × 12,176.22
  4. Step 4: Simplify right side
    15,960.18x = 268,213,877.77
  5. Step 5: Solve for x
    x = 268,213,877.77/15,960.18
  6. Step 6: Final answer
    x = 16,805.19

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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.