Home / 22,929.81-34,239.43-18,196.68

Finding the Fourth Proportional to 22,929.81, 34,239.43 and 18,196.68

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Solution

The fourth proportional to 22,929.81, 34,239.43 and 18,196.68 is: 27,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,929.81 : 34,239.43 = 18,196.68 : x
  2. Step 2: Convert to fraction form
    22,929.81/34,239.43 = 18,196.68/x
  3. Step 3: Cross multiply
    22,929.81x = 34,239.43 × 18,196.68
  4. Step 4: Simplify right side
    22,929.81x = 623,043,860.11
  5. Step 5: Solve for x
    x = 623,043,860.11/22,929.81
  6. Step 6: Final answer
    x = 27,171.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.