Home / 33,985.60-50,983.86-11,812.12

Finding the Fourth Proportional to 33,985.60, 50,983.86 and 11,812.12

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Solution

The fourth proportional to 33,985.60, 50,983.86 and 11,812.12 is: 17,720.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,985.60 : 50,983.86 = 11,812.12 : x
  2. Step 2: Convert to fraction form
    33,985.60/50,983.86 = 11,812.12/x
  3. Step 3: Cross multiply
    33,985.60x = 50,983.86 × 11,812.12
  4. Step 4: Simplify right side
    33,985.60x = 602,227,472.38
  5. Step 5: Solve for x
    x = 602,227,472.38/33,985.60
  6. Step 6: Final answer
    x = 17,720.08

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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.