Home / 42,076.40-63,117.96-13,995.44

Finding the Fourth Proportional to 42,076.40, 63,117.96 and 13,995.44

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Solution

The fourth proportional to 42,076.40, 63,117.96 and 13,995.44 is: 20,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,076.40 : 63,117.96 = 13,995.44 : x
  2. Step 2: Convert to fraction form
    42,076.40/63,117.96 = 13,995.44/x
  3. Step 3: Cross multiply
    42,076.40x = 63,117.96 × 13,995.44
  4. Step 4: Simplify right side
    42,076.40x = 883,363,236.54
  5. Step 5: Solve for x
    x = 883,363,236.54/42,076.40
  6. Step 6: Final answer
    x = 20,994.27

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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.