Home / 22,162.06-30,583.33-12,730.70

Finding the Fourth Proportional to 22,162.06, 30,583.33 and 12,730.70

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Solution

The fourth proportional to 22,162.06, 30,583.33 and 12,730.70 is: 17,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,162.06 : 30,583.33 = 12,730.70 : x
  2. Step 2: Convert to fraction form
    22,162.06/30,583.33 = 12,730.70/x
  3. Step 3: Cross multiply
    22,162.06x = 30,583.33 × 12,730.70
  4. Step 4: Simplify right side
    22,162.06x = 389,347,199.23
  5. Step 5: Solve for x
    x = 389,347,199.23/22,162.06
  6. Step 6: Final answer
    x = 17,568.19

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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.