Home / 19,040.21-26,278.61-13,066.97

Finding the Fourth Proportional to 19,040.21, 26,278.61 and 13,066.97

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Solution

The fourth proportional to 19,040.21, 26,278.61 and 13,066.97 is: 18,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.21 : 26,278.61 = 13,066.97 : x
  2. Step 2: Convert to fraction form
    19,040.21/26,278.61 = 13,066.97/x
  3. Step 3: Cross multiply
    19,040.21x = 26,278.61 × 13,066.97
  4. Step 4: Simplify right side
    19,040.21x = 343,381,808.51
  5. Step 5: Solve for x
    x = 343,381,808.51/19,040.21
  6. Step 6: Final answer
    x = 18,034.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.