Home / 22,159.68-30,563.16-14,202.72

Finding the Fourth Proportional to 22,159.68, 30,563.16 and 14,202.72

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Solution

The fourth proportional to 22,159.68, 30,563.16 and 14,202.72 is: 19,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.68 : 30,563.16 = 14,202.72 : x
  2. Step 2: Convert to fraction form
    22,159.68/30,563.16 = 14,202.72/x
  3. Step 3: Cross multiply
    22,159.68x = 30,563.16 × 14,202.72
  4. Step 4: Simplify right side
    22,159.68x = 434,080,003.80
  5. Step 5: Solve for x
    x = 434,080,003.80/22,159.68
  6. Step 6: Final answer
    x = 19,588.73

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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.