Home / 19,824.08-27,352.40-11,440.56

Finding the Fourth Proportional to 19,824.08, 27,352.40 and 11,440.56

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Solution

The fourth proportional to 19,824.08, 27,352.40 and 11,440.56 is: 15,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.08 : 27,352.40 = 11,440.56 : x
  2. Step 2: Convert to fraction form
    19,824.08/27,352.40 = 11,440.56/x
  3. Step 3: Cross multiply
    19,824.08x = 27,352.40 × 11,440.56
  4. Step 4: Simplify right side
    19,824.08x = 312,926,773.34
  5. Step 5: Solve for x
    x = 312,926,773.34/19,824.08
  6. Step 6: Final answer
    x = 15,785.19

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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.