Home / 22,774.76-31,429.44-12,704.08

Finding the Fourth Proportional to 22,774.76, 31,429.44 and 12,704.08

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Solution

The fourth proportional to 22,774.76, 31,429.44 and 12,704.08 is: 17,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.76 : 31,429.44 = 12,704.08 : x
  2. Step 2: Convert to fraction form
    22,774.76/31,429.44 = 12,704.08/x
  3. Step 3: Cross multiply
    22,774.76x = 31,429.44 × 12,704.08
  4. Step 4: Simplify right side
    22,774.76x = 399,281,962.97
  5. Step 5: Solve for x
    x = 399,281,962.97/22,774.76
  6. Step 6: Final answer
    x = 17,531.77

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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.