Home / 19,101.89-26,362.04-11,142.42

Finding the Fourth Proportional to 19,101.89, 26,362.04 and 11,142.42

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Solution

The fourth proportional to 19,101.89, 26,362.04 and 11,142.42 is: 15,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.89 : 26,362.04 = 11,142.42 : x
  2. Step 2: Convert to fraction form
    19,101.89/26,362.04 = 11,142.42/x
  3. Step 3: Cross multiply
    19,101.89x = 26,362.04 × 11,142.42
  4. Step 4: Simplify right side
    19,101.89x = 293,736,866.02
  5. Step 5: Solve for x
    x = 293,736,866.02/19,101.89
  6. Step 6: Final answer
    x = 15,377.38

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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.