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Finding the Fourth Proportional to 14,885.84, 20,540.12 and 8,597

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Solution

The fourth proportional to 14,885.84, 20,540.12 and 8,597 is: 11,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.84 : 20,540.12 = 8,597 : x
  2. Step 2: Convert to fraction form
    14,885.84/20,540.12 = 8,597/x
  3. Step 3: Cross multiply
    14,885.84x = 20,540.12 × 8,597
  4. Step 4: Simplify right side
    14,885.84x = 176,583,411.64
  5. Step 5: Solve for x
    x = 176,583,411.64/14,885.84
  6. Step 6: Final answer
    x = 11,862.51

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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.