Home / 39,685.69-59,528.54-11,983.69

Finding the Fourth Proportional to 39,685.69, 59,528.54 and 11,983.69

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Solution

The fourth proportional to 39,685.69, 59,528.54 and 11,983.69 is: 17,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685.69 : 59,528.54 = 11,983.69 : x
  2. Step 2: Convert to fraction form
    39,685.69/59,528.54 = 11,983.69/x
  3. Step 3: Cross multiply
    39,685.69x = 59,528.54 × 11,983.69
  4. Step 4: Simplify right side
    39,685.69x = 713,371,360.77
  5. Step 5: Solve for x
    x = 713,371,360.77/39,685.69
  6. Step 6: Final answer
    x = 17,975.53

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Similar ratio
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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.