Home / 26,557.07-39,860.22-13,418.69

Finding the Fourth Proportional to 26,557.07, 39,860.22 and 13,418.69

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Solution

The fourth proportional to 26,557.07, 39,860.22 and 13,418.69 is: 20,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.07 : 39,860.22 = 13,418.69 : x
  2. Step 2: Convert to fraction form
    26,557.07/39,860.22 = 13,418.69/x
  3. Step 3: Cross multiply
    26,557.07x = 39,860.22 × 13,418.69
  4. Step 4: Simplify right side
    26,557.07x = 534,871,935.51
  5. Step 5: Solve for x
    x = 534,871,935.51/26,557.07
  6. Step 6: Final answer
    x = 20,140.47

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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.