Home / 19,112.15-26,378.65-11,046.15

Finding the Fourth Proportional to 19,112.15, 26,378.65 and 11,046.15

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Solution

The fourth proportional to 19,112.15, 26,378.65 and 11,046.15 is: 15,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.15 : 26,378.65 = 11,046.15 : x
  2. Step 2: Convert to fraction form
    19,112.15/26,378.65 = 11,046.15/x
  3. Step 3: Cross multiply
    19,112.15x = 26,378.65 × 11,046.15
  4. Step 4: Simplify right side
    19,112.15x = 291,382,538.51
  5. Step 5: Solve for x
    x = 291,382,538.51/19,112.15
  6. Step 6: Final answer
    x = 15,245.93

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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.