Home / 39,863.20-59,802.68-11,783.76

Finding the Fourth Proportional to 39,863.20, 59,802.68 and 11,783.76

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Solution

The fourth proportional to 39,863.20, 59,802.68 and 11,783.76 is: 17,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,863.20 : 59,802.68 = 11,783.76 : x
  2. Step 2: Convert to fraction form
    39,863.20/59,802.68 = 11,783.76/x
  3. Step 3: Cross multiply
    39,863.20x = 59,802.68 × 11,783.76
  4. Step 4: Simplify right side
    39,863.20x = 704,700,428.48
  5. Step 5: Solve for x
    x = 704,700,428.48/39,863.20
  6. Step 6: Final answer
    x = 17,677.97

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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.