Home / 26,331.60-39,497.40-19,333.20

Finding the Fourth Proportional to 26,331.60, 39,497.40 and 19,333.20

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Solution

The fourth proportional to 26,331.60, 39,497.40 and 19,333.20 is: 28,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,331.60 : 39,497.40 = 19,333.20 : x
  2. Step 2: Convert to fraction form
    26,331.60/39,497.40 = 19,333.20/x
  3. Step 3: Cross multiply
    26,331.60x = 39,497.40 × 19,333.20
  4. Step 4: Simplify right side
    26,331.60x = 763,611,133.68
  5. Step 5: Solve for x
    x = 763,611,133.68/26,331.60
  6. Step 6: Final answer
    x = 28,999.80

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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.