Home / 19,114.59-26,378.30-11,155.26

Finding the Fourth Proportional to 19,114.59, 26,378.30 and 11,155.26

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Solution

The fourth proportional to 19,114.59, 26,378.30 and 11,155.26 is: 15,394.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.59 : 26,378.30 = 11,155.26 : x
  2. Step 2: Convert to fraction form
    19,114.59/26,378.30 = 11,155.26/x
  3. Step 3: Cross multiply
    19,114.59x = 26,378.30 × 11,155.26
  4. Step 4: Simplify right side
    19,114.59x = 294,256,794.86
  5. Step 5: Solve for x
    x = 294,256,794.86/19,114.59
  6. Step 6: Final answer
    x = 15,394.36

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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.