Home / 26,965.51-40,421.01-11,148.72

Finding the Fourth Proportional to 26,965.51, 40,421.01 and 11,148.72

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Solution

The fourth proportional to 26,965.51, 40,421.01 and 11,148.72 is: 16,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,965.51 : 40,421.01 = 11,148.72 : x
  2. Step 2: Convert to fraction form
    26,965.51/40,421.01 = 11,148.72/x
  3. Step 3: Cross multiply
    26,965.51x = 40,421.01 × 11,148.72
  4. Step 4: Simplify right side
    26,965.51x = 450,642,412.84
  5. Step 5: Solve for x
    x = 450,642,412.84/26,965.51
  6. Step 6: Final answer
    x = 16,711.81

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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.