Home / 26,480.64-39,685.12-10,055.68

Finding the Fourth Proportional to 26,480.64, 39,685.12 and 10,055.68

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Solution

The fourth proportional to 26,480.64, 39,685.12 and 10,055.68 is: 15,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.64 : 39,685.12 = 10,055.68 : x
  2. Step 2: Convert to fraction form
    26,480.64/39,685.12 = 10,055.68/x
  3. Step 3: Cross multiply
    26,480.64x = 39,685.12 × 10,055.68
  4. Step 4: Simplify right side
    26,480.64x = 399,060,867.48
  5. Step 5: Solve for x
    x = 399,060,867.48/26,480.64
  6. Step 6: Final answer
    x = 15,069.91

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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.