Home / 19,595.51-27,023.38-15,112.16

Finding the Fourth Proportional to 19,595.51, 27,023.38 and 15,112.16

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Solution

The fourth proportional to 19,595.51, 27,023.38 and 15,112.16 is: 20,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.51 : 27,023.38 = 15,112.16 : x
  2. Step 2: Convert to fraction form
    19,595.51/27,023.38 = 15,112.16/x
  3. Step 3: Cross multiply
    19,595.51x = 27,023.38 × 15,112.16
  4. Step 4: Simplify right side
    19,595.51x = 408,381,469.40
  5. Step 5: Solve for x
    x = 408,381,469.40/19,595.51
  6. Step 6: Final answer
    x = 20,840.57

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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.