Home / 43,002.16-64,501.56-11,836.56

Finding the Fourth Proportional to 43,002.16, 64,501.56 and 11,836.56

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Solution

The fourth proportional to 43,002.16, 64,501.56 and 11,836.56 is: 17,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,002.16 : 64,501.56 = 11,836.56 : x
  2. Step 2: Convert to fraction form
    43,002.16/64,501.56 = 11,836.56/x
  3. Step 3: Cross multiply
    43,002.16x = 64,501.56 × 11,836.56
  4. Step 4: Simplify right side
    43,002.16x = 763,476,585.03
  5. Step 5: Solve for x
    x = 763,476,585.03/43,002.16
  6. Step 6: Final answer
    x = 17,754.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.