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Finding the Fourth Proportional to 15,194.79, 22,803.80 and 9,928.31

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Solution

The fourth proportional to 15,194.79, 22,803.80 and 9,928.31 is: 14,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.79 : 22,803.80 = 9,928.31 : x
  2. Step 2: Convert to fraction form
    15,194.79/22,803.80 = 9,928.31/x
  3. Step 3: Cross multiply
    15,194.79x = 22,803.80 × 9,928.31
  4. Step 4: Simplify right side
    15,194.79x = 226,403,031.92
  5. Step 5: Solve for x
    x = 226,403,031.92/15,194.79
  6. Step 6: Final answer
    x = 14,900.04

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1.5x scale

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.