Home / 22,445.28-30,956.31-19,750.68

Finding the Fourth Proportional to 22,445.28, 30,956.31 and 19,750.68

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Solution

The fourth proportional to 22,445.28, 30,956.31 and 19,750.68 is: 27,239.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.28 : 30,956.31 = 19,750.68 : x
  2. Step 2: Convert to fraction form
    22,445.28/30,956.31 = 19,750.68/x
  3. Step 3: Cross multiply
    22,445.28x = 30,956.31 × 19,750.68
  4. Step 4: Simplify right side
    22,445.28x = 611,408,172.79
  5. Step 5: Solve for x
    x = 611,408,172.79/22,445.28
  6. Step 6: Final answer
    x = 27,239.94

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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.