Home / 19,976.36-27,579.30-17,762.28

Finding the Fourth Proportional to 19,976.36, 27,579.30 and 17,762.28

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Solution

The fourth proportional to 19,976.36, 27,579.30 and 17,762.28 is: 24,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.36 : 27,579.30 = 17,762.28 : x
  2. Step 2: Convert to fraction form
    19,976.36/27,579.30 = 17,762.28/x
  3. Step 3: Cross multiply
    19,976.36x = 27,579.30 × 17,762.28
  4. Step 4: Simplify right side
    19,976.36x = 489,871,248.80
  5. Step 5: Solve for x
    x = 489,871,248.80/19,976.36
  6. Step 6: Final answer
    x = 24,522.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.