Home / 19,288.72-26,607.36-11,329.48

Finding the Fourth Proportional to 19,288.72, 26,607.36 and 11,329.48

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Solution

The fourth proportional to 19,288.72, 26,607.36 and 11,329.48 is: 15,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.72 : 26,607.36 = 11,329.48 : x
  2. Step 2: Convert to fraction form
    19,288.72/26,607.36 = 11,329.48/x
  3. Step 3: Cross multiply
    19,288.72x = 26,607.36 × 11,329.48
  4. Step 4: Simplify right side
    19,288.72x = 301,447,552.97
  5. Step 5: Solve for x
    x = 301,447,552.97/19,288.72
  6. Step 6: Final answer
    x = 15,628.18

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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.