Home / 39,615.88-59,386.60-13,302.17

Finding the Fourth Proportional to 39,615.88, 59,386.60 and 13,302.17

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Solution

The fourth proportional to 39,615.88, 59,386.60 and 13,302.17 is: 19,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,615.88 : 59,386.60 = 13,302.17 : x
  2. Step 2: Convert to fraction form
    39,615.88/59,386.60 = 13,302.17/x
  3. Step 3: Cross multiply
    39,615.88x = 59,386.60 × 13,302.17
  4. Step 4: Simplify right side
    39,615.88x = 789,970,285.48
  5. Step 5: Solve for x
    x = 789,970,285.48/39,615.88
  6. Step 6: Final answer
    x = 19,940.75

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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.