Home / 39,455.88-59,161.98-13,146.28

Finding the Fourth Proportional to 39,455.88, 59,161.98 and 13,146.28

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Solution

The fourth proportional to 39,455.88, 59,161.98 and 13,146.28 is: 19,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,455.88 : 59,161.98 = 13,146.28 : x
  2. Step 2: Convert to fraction form
    39,455.88/59,161.98 = 13,146.28/x
  3. Step 3: Cross multiply
    39,455.88x = 59,161.98 × 13,146.28
  4. Step 4: Simplify right side
    39,455.88x = 777,759,954.43
  5. Step 5: Solve for x
    x = 777,759,954.43/39,455.88
  6. Step 6: Final answer
    x = 19,712.14

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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.