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Finding the Fourth Proportional to 14,903.58, 22,348.16 and 8,665.40

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Solution

The fourth proportional to 14,903.58, 22,348.16 and 8,665.40 is: 12,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.58 : 22,348.16 = 8,665.40 : x
  2. Step 2: Convert to fraction form
    14,903.58/22,348.16 = 8,665.40/x
  3. Step 3: Cross multiply
    14,903.58x = 22,348.16 × 8,665.40
  4. Step 4: Simplify right side
    14,903.58x = 193,655,745.66
  5. Step 5: Solve for x
    x = 193,655,745.66/14,903.58
  6. Step 6: Final answer
    x = 12,993.91

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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.