Home / 15,753.96-21,730.85-9,376.27

Finding the Fourth Proportional to 15,753.96, 21,730.85 and 9,376.27

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Solution

The fourth proportional to 15,753.96, 21,730.85 and 9,376.27 is: 12,933.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753.96 : 21,730.85 = 9,376.27 : x
  2. Step 2: Convert to fraction form
    15,753.96/21,730.85 = 9,376.27/x
  3. Step 3: Cross multiply
    15,753.96x = 21,730.85 × 9,376.27
  4. Step 4: Simplify right side
    15,753.96x = 203,754,316.93
  5. Step 5: Solve for x
    x = 203,754,316.93/15,753.96
  6. Step 6: Final answer
    x = 12,933.53

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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.