Home / 22,679.04-33,981.48-21,815.04

Finding the Fourth Proportional to 22,679.04, 33,981.48 and 21,815.04

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Solution

The fourth proportional to 22,679.04, 33,981.48 and 21,815.04 is: 32,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.04 : 33,981.48 = 21,815.04 : x
  2. Step 2: Convert to fraction form
    22,679.04/33,981.48 = 21,815.04/x
  3. Step 3: Cross multiply
    22,679.04x = 33,981.48 × 21,815.04
  4. Step 4: Simplify right side
    22,679.04x = 741,307,345.46
  5. Step 5: Solve for x
    x = 741,307,345.46/22,679.04
  6. Step 6: Final answer
    x = 32,686.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.