Home / 22,156.20-30,558.28-14,199.18

Finding the Fourth Proportional to 22,156.20, 30,558.28 and 14,199.18

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Solution

The fourth proportional to 22,156.20, 30,558.28 and 14,199.18 is: 19,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156.20 : 30,558.28 = 14,199.18 : x
  2. Step 2: Convert to fraction form
    22,156.20/30,558.28 = 14,199.18/x
  3. Step 3: Cross multiply
    22,156.20x = 30,558.28 × 14,199.18
  4. Step 4: Simplify right side
    22,156.20x = 433,902,518.21
  5. Step 5: Solve for x
    x = 433,902,518.21/22,156.20
  6. Step 6: Final answer
    x = 19,583.80

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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.