Home / 19,280.11-26,603.72-11,324.90

Finding the Fourth Proportional to 19,280.11, 26,603.72 and 11,324.90

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Solution

The fourth proportional to 19,280.11, 26,603.72 and 11,324.90 is: 15,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.11 : 26,603.72 = 11,324.90 : x
  2. Step 2: Convert to fraction form
    19,280.11/26,603.72 = 11,324.90/x
  3. Step 3: Cross multiply
    19,280.11x = 26,603.72 × 11,324.90
  4. Step 4: Simplify right side
    19,280.11x = 301,284,468.63
  5. Step 5: Solve for x
    x = 301,284,468.63/19,280.11
  6. Step 6: Final answer
    x = 15,626.70

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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.