Home / 22,178.43-30,598.97-15,806.03

Finding the Fourth Proportional to 22,178.43, 30,598.97 and 15,806.03

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Solution

The fourth proportional to 22,178.43, 30,598.97 and 15,806.03 is: 21,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.43 : 30,598.97 = 15,806.03 : x
  2. Step 2: Convert to fraction form
    22,178.43/30,598.97 = 15,806.03/x
  3. Step 3: Cross multiply
    22,178.43x = 30,598.97 × 15,806.03
  4. Step 4: Simplify right side
    22,178.43x = 483,648,005.76
  5. Step 5: Solve for x
    x = 483,648,005.76/22,178.43
  6. Step 6: Final answer
    x = 21,807.13

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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.