Home / 26,560.41-39,865.25-13,422.01

Finding the Fourth Proportional to 26,560.41, 39,865.25 and 13,422.01

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Solution

The fourth proportional to 26,560.41, 39,865.25 and 13,422.01 is: 20,145.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,560.41 : 39,865.25 = 13,422.01 : x
  2. Step 2: Convert to fraction form
    26,560.41/39,865.25 = 13,422.01/x
  3. Step 3: Cross multiply
    26,560.41x = 39,865.25 × 13,422.01
  4. Step 4: Simplify right side
    26,560.41x = 535,071,784.15
  5. Step 5: Solve for x
    x = 535,071,784.15/26,560.41
  6. Step 6: Final answer
    x = 20,145.46

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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.