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Finding the Fourth Proportional to 15,353.60, 22,871.94 and 14,888.97

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Solution

The fourth proportional to 15,353.60, 22,871.94 and 14,888.97 is: 22,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.60 : 22,871.94 = 14,888.97 : x
  2. Step 2: Convert to fraction form
    15,353.60/22,871.94 = 14,888.97/x
  3. Step 3: Cross multiply
    15,353.60x = 22,871.94 × 14,888.97
  4. Step 4: Simplify right side
    15,353.60x = 340,539,628.50
  5. Step 5: Solve for x
    x = 340,539,628.50/15,353.60
  6. Step 6: Final answer
    x = 22,179.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.