Home / 39,841.62-59,756.64-11,760.30

Finding the Fourth Proportional to 39,841.62, 59,756.64 and 11,760.30

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Solution

The fourth proportional to 39,841.62, 59,756.64 and 11,760.30 is: 17,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,841.62 : 59,756.64 = 11,760.30 : x
  2. Step 2: Convert to fraction form
    39,841.62/59,756.64 = 11,760.30/x
  3. Step 3: Cross multiply
    39,841.62x = 59,756.64 × 11,760.30
  4. Step 4: Simplify right side
    39,841.62x = 702,756,013.39
  5. Step 5: Solve for x
    x = 702,756,013.39/39,841.62
  6. Step 6: Final answer
    x = 17,638.74

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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.