Home / 19,280.08-26,609.51-11,728.77

Finding the Fourth Proportional to 19,280.08, 26,609.51 and 11,728.77

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Solution

The fourth proportional to 19,280.08, 26,609.51 and 11,728.77 is: 16,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.08 : 26,609.51 = 11,728.77 : x
  2. Step 2: Convert to fraction form
    19,280.08/26,609.51 = 11,728.77/x
  3. Step 3: Cross multiply
    19,280.08x = 26,609.51 × 11,728.77
  4. Step 4: Simplify right side
    19,280.08x = 312,096,976.66
  5. Step 5: Solve for x
    x = 312,096,976.66/19,280.08
  6. Step 6: Final answer
    x = 16,187.54

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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.