Home / 22,956.90-34,435.28-12,957.11

Finding the Fourth Proportional to 22,956.90, 34,435.28 and 12,957.11

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Solution

The fourth proportional to 22,956.90, 34,435.28 and 12,957.11 is: 19,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,956.90 : 34,435.28 = 12,957.11 : x
  2. Step 2: Convert to fraction form
    22,956.90/34,435.28 = 12,957.11/x
  3. Step 3: Cross multiply
    22,956.90x = 34,435.28 × 12,957.11
  4. Step 4: Simplify right side
    22,956.90x = 446,181,710.84
  5. Step 5: Solve for x
    x = 446,181,710.84/22,956.90
  6. Step 6: Final answer
    x = 19,435.63

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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.