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Finding the Fourth Proportional to 18,059.79, 24,870.53 and 14,886.82

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Solution

The fourth proportional to 18,059.79, 24,870.53 and 14,886.82 is: 20,500.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059.79 : 24,870.53 = 14,886.82 : x
  2. Step 2: Convert to fraction form
    18,059.79/24,870.53 = 14,886.82/x
  3. Step 3: Cross multiply
    18,059.79x = 24,870.53 × 14,886.82
  4. Step 4: Simplify right side
    18,059.79x = 370,243,103.41
  5. Step 5: Solve for x
    x = 370,243,103.41/18,059.79
  6. Step 6: Final answer
    x = 20,500.96

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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.