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Finding the Fourth Proportional to 14,523.08, 20,013.74 and 9,799.16

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Solution

The fourth proportional to 14,523.08, 20,013.74 and 9,799.16 is: 13,503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.08 : 20,013.74 = 9,799.16 : x
  2. Step 2: Convert to fraction form
    14,523.08/20,013.74 = 9,799.16/x
  3. Step 3: Cross multiply
    14,523.08x = 20,013.74 × 9,799.16
  4. Step 4: Simplify right side
    14,523.08x = 196,117,840.46
  5. Step 5: Solve for x
    x = 196,117,840.46/14,523.08
  6. Step 6: Final answer
    x = 13,503.87

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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.