Home / 19,417.85-26,796.37-10,919.97

Finding the Fourth Proportional to 19,417.85, 26,796.37 and 10,919.97

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Solution

The fourth proportional to 19,417.85, 26,796.37 and 10,919.97 is: 15,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.85 : 26,796.37 = 10,919.97 : x
  2. Step 2: Convert to fraction form
    19,417.85/26,796.37 = 10,919.97/x
  3. Step 3: Cross multiply
    19,417.85x = 26,796.37 × 10,919.97
  4. Step 4: Simplify right side
    19,417.85x = 292,615,454.79
  5. Step 5: Solve for x
    x = 292,615,454.79/19,417.85
  6. Step 6: Final answer
    x = 15,069.41

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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.