Home / 19,975.81-27,565.45-11,023.29

Finding the Fourth Proportional to 19,975.81, 27,565.45 and 11,023.29

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Solution

The fourth proportional to 19,975.81, 27,565.45 and 11,023.29 is: 15,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.81 : 27,565.45 = 11,023.29 : x
  2. Step 2: Convert to fraction form
    19,975.81/27,565.45 = 11,023.29/x
  3. Step 3: Cross multiply
    19,975.81x = 27,565.45 × 11,023.29
  4. Step 4: Simplify right side
    19,975.81x = 303,861,949.33
  5. Step 5: Solve for x
    x = 303,861,949.33/19,975.81
  6. Step 6: Final answer
    x = 15,211.50

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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.