Home / 19,357.26-29,016.27-13,117.90

Finding the Fourth Proportional to 19,357.26, 29,016.27 and 13,117.90

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Solution

The fourth proportional to 19,357.26, 29,016.27 and 13,117.90 is: 19,663.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.26 : 29,016.27 = 13,117.90 : x
  2. Step 2: Convert to fraction form
    19,357.26/29,016.27 = 13,117.90/x
  3. Step 3: Cross multiply
    19,357.26x = 29,016.27 × 13,117.90
  4. Step 4: Simplify right side
    19,357.26x = 380,632,528.23
  5. Step 5: Solve for x
    x = 380,632,528.23/19,357.26
  6. Step 6: Final answer
    x = 19,663.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.