Home / 39,589.27-59,382.47-11,886.55

Finding the Fourth Proportional to 39,589.27, 59,382.47 and 11,886.55

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Solution

The fourth proportional to 39,589.27, 59,382.47 and 11,886.55 is: 17,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589.27 : 59,382.47 = 11,886.55 : x
  2. Step 2: Convert to fraction form
    39,589.27/59,382.47 = 11,886.55/x
  3. Step 3: Cross multiply
    39,589.27x = 59,382.47 × 11,886.55
  4. Step 4: Simplify right side
    39,589.27x = 705,852,639.35
  5. Step 5: Solve for x
    x = 705,852,639.35/39,589.27
  6. Step 6: Final answer
    x = 17,829.39

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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.