Home / 39,468.90-59,203.98-13,173.78

Finding the Fourth Proportional to 39,468.90, 59,203.98 and 13,173.78

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Solution

The fourth proportional to 39,468.90, 59,203.98 and 13,173.78 is: 19,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.90 : 59,203.98 = 13,173.78 : x
  2. Step 2: Convert to fraction form
    39,468.90/59,203.98 = 13,173.78/x
  3. Step 3: Cross multiply
    39,468.90x = 59,203.98 × 13,173.78
  4. Step 4: Simplify right side
    39,468.90x = 779,940,207.64
  5. Step 5: Solve for x
    x = 779,940,207.64/39,468.90
  6. Step 6: Final answer
    x = 19,760.88

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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.