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Finding the Fourth Proportional to 14,655.82, 20,232 and 9,818.88

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Solution

The fourth proportional to 14,655.82, 20,232 and 9,818.88 is: 13,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.82 : 20,232 = 9,818.88 : x
  2. Step 2: Convert to fraction form
    14,655.82/20,232 = 9,818.88/x
  3. Step 3: Cross multiply
    14,655.82x = 20,232 × 9,818.88
  4. Step 4: Simplify right side
    14,655.82x = 198,655,479
  5. Step 5: Solve for x
    x = 198,655,479/14,655.82
  6. Step 6: Final answer
    x = 13,554.72

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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.