Home / 16,655.22-23,003.10-11,340.81

Finding the Fourth Proportional to 16,655.22, 23,003.10 and 11,340.81

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Solution

The fourth proportional to 16,655.22, 23,003.10 and 11,340.81 is: 15,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.22 : 23,003.10 = 11,340.81 : x
  2. Step 2: Convert to fraction form
    16,655.22/23,003.10 = 11,340.81/x
  3. Step 3: Cross multiply
    16,655.22x = 23,003.10 × 11,340.81
  4. Step 4: Simplify right side
    16,655.22x = 260,873,786.51
  5. Step 5: Solve for x
    x = 260,873,786.51/16,655.22
  6. Step 6: Final answer
    x = 15,663.18

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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.