Home / 22,081.40-30,472.03-12,009.62

Finding the Fourth Proportional to 22,081.40, 30,472.03 and 12,009.62

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Solution

The fourth proportional to 22,081.40, 30,472.03 and 12,009.62 is: 16,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.40 : 30,472.03 = 12,009.62 : x
  2. Step 2: Convert to fraction form
    22,081.40/30,472.03 = 12,009.62/x
  3. Step 3: Cross multiply
    22,081.40x = 30,472.03 × 12,009.62
  4. Step 4: Simplify right side
    22,081.40x = 365,957,547.08
  5. Step 5: Solve for x
    x = 365,957,547.08/22,081.40
  6. Step 6: Final answer
    x = 16,573.12

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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.