Home / 19,467.48-26,867.12-11,918.81

Finding the Fourth Proportional to 19,467.48, 26,867.12 and 11,918.81

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Solution

The fourth proportional to 19,467.48, 26,867.12 and 11,918.81 is: 16,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,467.48 : 26,867.12 = 11,918.81 : x
  2. Step 2: Convert to fraction form
    19,467.48/26,867.12 = 11,918.81/x
  3. Step 3: Cross multiply
    19,467.48x = 26,867.12 × 11,918.81
  4. Step 4: Simplify right side
    19,467.48x = 320,224,098.53
  5. Step 5: Solve for x
    x = 320,224,098.53/19,467.48
  6. Step 6: Final answer
    x = 16,449.18

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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.