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Finding the Fourth Proportional to 15,598.56, 21,523.04 and 9,311.52

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Solution

The fourth proportional to 15,598.56, 21,523.04 and 9,311.52 is: 12,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.56 : 21,523.04 = 9,311.52 : x
  2. Step 2: Convert to fraction form
    15,598.56/21,523.04 = 9,311.52/x
  3. Step 3: Cross multiply
    15,598.56x = 21,523.04 × 9,311.52
  4. Step 4: Simplify right side
    15,598.56x = 200,412,217.42
  5. Step 5: Solve for x
    x = 200,412,217.42/15,598.56
  6. Step 6: Final answer
    x = 12,848.12

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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.