Home / 19,280.72-26,607.60-11,323.04

Finding the Fourth Proportional to 19,280.72, 26,607.60 and 11,323.04

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Solution

The fourth proportional to 19,280.72, 26,607.60 and 11,323.04 is: 15,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.72 : 26,607.60 = 11,323.04 : x
  2. Step 2: Convert to fraction form
    19,280.72/26,607.60 = 11,323.04/x
  3. Step 3: Cross multiply
    19,280.72x = 26,607.60 × 11,323.04
  4. Step 4: Simplify right side
    19,280.72x = 301,278,919.10
  5. Step 5: Solve for x
    x = 301,278,919.10/19,280.72
  6. Step 6: Final answer
    x = 15,625.92

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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.