Home / 39,339.66-59,018.13-11,635.50

Finding the Fourth Proportional to 39,339.66, 59,018.13 and 11,635.50

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Solution

The fourth proportional to 39,339.66, 59,018.13 and 11,635.50 is: 17,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,339.66 : 59,018.13 = 11,635.50 : x
  2. Step 2: Convert to fraction form
    39,339.66/59,018.13 = 11,635.50/x
  3. Step 3: Cross multiply
    39,339.66x = 59,018.13 × 11,635.50
  4. Step 4: Simplify right side
    39,339.66x = 686,705,451.62
  5. Step 5: Solve for x
    x = 686,705,451.62/39,339.66
  6. Step 6: Final answer
    x = 17,455.81

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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.