Home / 39,685.36-59,527.68-11,983.36

Finding the Fourth Proportional to 39,685.36, 59,527.68 and 11,983.36

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Solution

The fourth proportional to 39,685.36, 59,527.68 and 11,983.36 is: 17,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685.36 : 59,527.68 = 11,983.36 : x
  2. Step 2: Convert to fraction form
    39,685.36/59,527.68 = 11,983.36/x
  3. Step 3: Cross multiply
    39,685.36x = 59,527.68 × 11,983.36
  4. Step 4: Simplify right side
    39,685.36x = 713,341,619.40
  5. Step 5: Solve for x
    x = 713,341,619.40/39,685.36
  6. Step 6: Final answer
    x = 17,974.93

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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.