Home / 19,991.24-27,587.73-11,038.55

Finding the Fourth Proportional to 19,991.24, 27,587.73 and 11,038.55

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Solution

The fourth proportional to 19,991.24, 27,587.73 and 11,038.55 is: 15,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991.24 : 27,587.73 = 11,038.55 : x
  2. Step 2: Convert to fraction form
    19,991.24/27,587.73 = 11,038.55/x
  3. Step 3: Cross multiply
    19,991.24x = 27,587.73 × 11,038.55
  4. Step 4: Simplify right side
    19,991.24x = 304,528,468.02
  5. Step 5: Solve for x
    x = 304,528,468.02/19,991.24
  6. Step 6: Final answer
    x = 15,233.10

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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.