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Finding the Fourth Proportional to 14,658.40, 22,003.80 and 8,097.40

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Solution

The fourth proportional to 14,658.40, 22,003.80 and 8,097.40 is: 12,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.40 : 22,003.80 = 8,097.40 : x
  2. Step 2: Convert to fraction form
    14,658.40/22,003.80 = 8,097.40/x
  3. Step 3: Cross multiply
    14,658.40x = 22,003.80 × 8,097.40
  4. Step 4: Simplify right side
    14,658.40x = 178,173,570.12
  5. Step 5: Solve for x
    x = 178,173,570.12/14,658.40
  6. Step 6: Final answer
    x = 12,155.05

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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.