Home / 22,722.93-31,383.89-15,156.11

Finding the Fourth Proportional to 22,722.93, 31,383.89 and 15,156.11

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Solution

The fourth proportional to 22,722.93, 31,383.89 and 15,156.11 is: 20,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722.93 : 31,383.89 = 15,156.11 : x
  2. Step 2: Convert to fraction form
    22,722.93/31,383.89 = 15,156.11/x
  3. Step 3: Cross multiply
    22,722.93x = 31,383.89 × 15,156.11
  4. Step 4: Simplify right side
    22,722.93x = 475,657,689.07
  5. Step 5: Solve for x
    x = 475,657,689.07/22,722.93
  6. Step 6: Final answer
    x = 20,932.94

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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.