Home / 22,790.36-34,073.16-19,319.11

Finding the Fourth Proportional to 22,790.36, 34,073.16 and 19,319.11

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Solution

The fourth proportional to 22,790.36, 34,073.16 and 19,319.11 is: 28,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790.36 : 34,073.16 = 19,319.11 : x
  2. Step 2: Convert to fraction form
    22,790.36/34,073.16 = 19,319.11/x
  3. Step 3: Cross multiply
    22,790.36x = 34,073.16 × 19,319.11
  4. Step 4: Simplify right side
    22,790.36x = 658,262,968.46
  5. Step 5: Solve for x
    x = 658,262,968.46/22,790.36
  6. Step 6: Final answer
    x = 28,883.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.