Home / 15,536.73-21,440.66-8,463.14

Finding the Fourth Proportional to 15,536.73, 21,440.66 and 8,463.14

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Solution

The fourth proportional to 15,536.73, 21,440.66 and 8,463.14 is: 11,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.73 : 21,440.66 = 8,463.14 : x
  2. Step 2: Convert to fraction form
    15,536.73/21,440.66 = 8,463.14/x
  3. Step 3: Cross multiply
    15,536.73x = 21,440.66 × 8,463.14
  4. Step 4: Simplify right side
    15,536.73x = 181,455,157.75
  5. Step 5: Solve for x
    x = 181,455,157.75/15,536.73
  6. Step 6: Final answer
    x = 11,679.11

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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.