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Finding the Fourth Proportional to 15,967.30, 22,034.88 and 9,256.84

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Solution

The fourth proportional to 15,967.30, 22,034.88 and 9,256.84 is: 12,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.30 : 22,034.88 = 9,256.84 : x
  2. Step 2: Convert to fraction form
    15,967.30/22,034.88 = 9,256.84/x
  3. Step 3: Cross multiply
    15,967.30x = 22,034.88 × 9,256.84
  4. Step 4: Simplify right side
    15,967.30x = 203,973,358.58
  5. Step 5: Solve for x
    x = 203,973,358.58/15,967.30
  6. Step 6: Final answer
    x = 12,774.44

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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.