Home / 19,565.15-27,000.40-11,066.86

Finding the Fourth Proportional to 19,565.15, 27,000.40 and 11,066.86

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Solution

The fourth proportional to 19,565.15, 27,000.40 and 11,066.86 is: 15,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.15 : 27,000.40 = 11,066.86 : x
  2. Step 2: Convert to fraction form
    19,565.15/27,000.40 = 11,066.86/x
  3. Step 3: Cross multiply
    19,565.15x = 27,000.40 × 11,066.86
  4. Step 4: Simplify right side
    19,565.15x = 298,809,642.45
  5. Step 5: Solve for x
    x = 298,809,642.45/19,565.15
  6. Step 6: Final answer
    x = 15,272.54

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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.