Home / 19,866.80-27,400.20-17,471.60

Finding the Fourth Proportional to 19,866.80, 27,400.20 and 17,471.60

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Solution

The fourth proportional to 19,866.80, 27,400.20 and 17,471.60 is: 24,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.80 : 27,400.20 = 17,471.60 : x
  2. Step 2: Convert to fraction form
    19,866.80/27,400.20 = 17,471.60/x
  3. Step 3: Cross multiply
    19,866.80x = 27,400.20 × 17,471.60
  4. Step 4: Simplify right side
    19,866.80x = 478,725,334.32
  5. Step 5: Solve for x
    x = 478,725,334.32/19,866.80
  6. Step 6: Final answer
    x = 24,096.75

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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.