Home / 22,663.01-31,278.20-14,173.80

Finding the Fourth Proportional to 22,663.01, 31,278.20 and 14,173.80

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Solution

The fourth proportional to 22,663.01, 31,278.20 and 14,173.80 is: 19,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.01 : 31,278.20 = 14,173.80 : x
  2. Step 2: Convert to fraction form
    22,663.01/31,278.20 = 14,173.80/x
  3. Step 3: Cross multiply
    22,663.01x = 31,278.20 × 14,173.80
  4. Step 4: Simplify right side
    22,663.01x = 443,330,880.29
  5. Step 5: Solve for x
    x = 443,330,880.29/22,663.01
  6. Step 6: Final answer
    x = 19,561.88

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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.