Home / 39,587.56-59,386.80-13,299.82

Finding the Fourth Proportional to 39,587.56, 59,386.80 and 13,299.82

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Solution

The fourth proportional to 39,587.56, 59,386.80 and 13,299.82 is: 19,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,587.56 : 59,386.80 = 13,299.82 : x
  2. Step 2: Convert to fraction form
    39,587.56/59,386.80 = 13,299.82/x
  3. Step 3: Cross multiply
    39,587.56x = 59,386.80 × 13,299.82
  4. Step 4: Simplify right side
    39,587.56x = 789,833,453.44
  5. Step 5: Solve for x
    x = 789,833,453.44/39,587.56
  6. Step 6: Final answer
    x = 19,951.56

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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.