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Finding the Fourth Proportional to 15,963.94, 22,030.23 and 9,253.46

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Solution

The fourth proportional to 15,963.94, 22,030.23 and 9,253.46 is: 12,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.94 : 22,030.23 = 9,253.46 : x
  2. Step 2: Convert to fraction form
    15,963.94/22,030.23 = 9,253.46/x
  3. Step 3: Cross multiply
    15,963.94x = 22,030.23 × 9,253.46
  4. Step 4: Simplify right side
    15,963.94x = 203,855,765.90
  5. Step 5: Solve for x
    x = 203,855,765.90/15,963.94
  6. Step 6: Final answer
    x = 12,769.77

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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.