Home / 19,372.39-26,739.63-11,417.18

Finding the Fourth Proportional to 19,372.39, 26,739.63 and 11,417.18

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Solution

The fourth proportional to 19,372.39, 26,739.63 and 11,417.18 is: 15,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.39 : 26,739.63 = 11,417.18 : x
  2. Step 2: Convert to fraction form
    19,372.39/26,739.63 = 11,417.18/x
  3. Step 3: Cross multiply
    19,372.39x = 26,739.63 × 11,417.18
  4. Step 4: Simplify right side
    19,372.39x = 305,291,035.15
  5. Step 5: Solve for x
    x = 305,291,035.15/19,372.39
  6. Step 6: Final answer
    x = 15,759.08

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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.