Home / 22,383.84-30,851.64-15,297.96

Finding the Fourth Proportional to 22,383.84, 30,851.64 and 15,297.96

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Solution

The fourth proportional to 22,383.84, 30,851.64 and 15,297.96 is: 21,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.84 : 30,851.64 = 15,297.96 : x
  2. Step 2: Convert to fraction form
    22,383.84/30,851.64 = 15,297.96/x
  3. Step 3: Cross multiply
    22,383.84x = 30,851.64 × 15,297.96
  4. Step 4: Simplify right side
    22,383.84x = 471,967,154.65
  5. Step 5: Solve for x
    x = 471,967,154.65/22,383.84
  6. Step 6: Final answer
    x = 21,085.17

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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.