Home / 22,252.40-30,708.14-12,180.63

Finding the Fourth Proportional to 22,252.40, 30,708.14 and 12,180.63

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Solution

The fourth proportional to 22,252.40, 30,708.14 and 12,180.63 is: 16,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.40 : 30,708.14 = 12,180.63 : x
  2. Step 2: Convert to fraction form
    22,252.40/30,708.14 = 12,180.63/x
  3. Step 3: Cross multiply
    22,252.40x = 30,708.14 × 12,180.63
  4. Step 4: Simplify right side
    22,252.40x = 374,044,430.43
  5. Step 5: Solve for x
    x = 374,044,430.43/22,252.40
  6. Step 6: Final answer
    x = 16,809.18

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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.