Home / 39,866.16-59,799.35-11,786.70

Finding the Fourth Proportional to 39,866.16, 59,799.35 and 11,786.70

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Solution

The fourth proportional to 39,866.16, 59,799.35 and 11,786.70 is: 17,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,866.16 : 59,799.35 = 11,786.70 : x
  2. Step 2: Convert to fraction form
    39,866.16/59,799.35 = 11,786.70/x
  3. Step 3: Cross multiply
    39,866.16x = 59,799.35 × 11,786.70
  4. Step 4: Simplify right side
    39,866.16x = 704,836,998.65
  5. Step 5: Solve for x
    x = 704,836,998.65/39,866.16
  6. Step 6: Final answer
    x = 17,680.08

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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.