Home / 19,565.42-26,999.80-11,181.38

Finding the Fourth Proportional to 19,565.42, 26,999.80 and 11,181.38

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Solution

The fourth proportional to 19,565.42, 26,999.80 and 11,181.38 is: 15,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.42 : 26,999.80 = 11,181.38 : x
  2. Step 2: Convert to fraction form
    19,565.42/26,999.80 = 11,181.38/x
  3. Step 3: Cross multiply
    19,565.42x = 26,999.80 × 11,181.38
  4. Step 4: Simplify right side
    19,565.42x = 301,894,860.77
  5. Step 5: Solve for x
    x = 301,894,860.77/19,565.42
  6. Step 6: Final answer
    x = 15,430.03

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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.