Home / 19,984.58-27,578.56-11,032.09

Finding the Fourth Proportional to 19,984.58, 27,578.56 and 11,032.09

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Solution

The fourth proportional to 19,984.58, 27,578.56 and 11,032.09 is: 15,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.58 : 27,578.56 = 11,032.09 : x
  2. Step 2: Convert to fraction form
    19,984.58/27,578.56 = 11,032.09/x
  3. Step 3: Cross multiply
    19,984.58x = 27,578.56 × 11,032.09
  4. Step 4: Simplify right side
    19,984.58x = 304,249,155.99
  5. Step 5: Solve for x
    x = 304,249,155.99/19,984.58
  6. Step 6: Final answer
    x = 15,224.20

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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.