Home / 19,989.88-27,585.31-11,037.19

Finding the Fourth Proportional to 19,989.88, 27,585.31 and 11,037.19

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Solution

The fourth proportional to 19,989.88, 27,585.31 and 11,037.19 is: 15,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989.88 : 27,585.31 = 11,037.19 : x
  2. Step 2: Convert to fraction form
    19,989.88/27,585.31 = 11,037.19/x
  3. Step 3: Cross multiply
    19,989.88x = 27,585.31 × 11,037.19
  4. Step 4: Simplify right side
    19,989.88x = 304,464,307.68
  5. Step 5: Solve for x
    x = 304,464,307.68/19,989.88
  6. Step 6: Final answer
    x = 15,230.92

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Double scale
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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.