Home / 22,293.73-30,749.22-18,931.22

Finding the Fourth Proportional to 22,293.73, 30,749.22 and 18,931.22

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Solution

The fourth proportional to 22,293.73, 30,749.22 and 18,931.22 is: 26,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.73 : 30,749.22 = 18,931.22 : x
  2. Step 2: Convert to fraction form
    22,293.73/30,749.22 = 18,931.22/x
  3. Step 3: Cross multiply
    22,293.73x = 30,749.22 × 18,931.22
  4. Step 4: Simplify right side
    22,293.73x = 582,120,210.21
  5. Step 5: Solve for x
    x = 582,120,210.21/22,293.73
  6. Step 6: Final answer
    x = 26,111.39

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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.