Home / 35,680.59-53,520.89-11,983.64

Finding the Fourth Proportional to 35,680.59, 53,520.89 and 11,983.64

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Solution

The fourth proportional to 35,680.59, 53,520.89 and 11,983.64 is: 17,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.59 : 53,520.89 = 11,983.64 : x
  2. Step 2: Convert to fraction form
    35,680.59/53,520.89 = 11,983.64/x
  3. Step 3: Cross multiply
    35,680.59x = 53,520.89 × 11,983.64
  4. Step 4: Simplify right side
    35,680.59x = 641,374,750.72
  5. Step 5: Solve for x
    x = 641,374,750.72/35,680.59
  6. Step 6: Final answer
    x = 17,975.45

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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.