Home / 22,808.70-31,460.17-20,926.51

Finding the Fourth Proportional to 22,808.70, 31,460.17 and 20,926.51

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Solution

The fourth proportional to 22,808.70, 31,460.17 and 20,926.51 is: 28,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,808.70 : 31,460.17 = 20,926.51 : x
  2. Step 2: Convert to fraction form
    22,808.70/31,460.17 = 20,926.51/x
  3. Step 3: Cross multiply
    22,808.70x = 31,460.17 × 20,926.51
  4. Step 4: Simplify right side
    22,808.70x = 658,351,618.01
  5. Step 5: Solve for x
    x = 658,351,618.01/22,808.70
  6. Step 6: Final answer
    x = 28,864.06

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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.