Home / 22,812.35-31,252.40-21,959.51

Finding the Fourth Proportional to 22,812.35, 31,252.40 and 21,959.51

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Solution

The fourth proportional to 22,812.35, 31,252.40 and 21,959.51 is: 30,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,812.35 : 31,252.40 = 21,959.51 : x
  2. Step 2: Convert to fraction form
    22,812.35/31,252.40 = 21,959.51/x
  3. Step 3: Cross multiply
    22,812.35x = 31,252.40 × 21,959.51
  4. Step 4: Simplify right side
    22,812.35x = 686,287,335.43
  5. Step 5: Solve for x
    x = 686,287,335.43/22,812.35
  6. Step 6: Final answer
    x = 30,084.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.