Home / 22,126.92-30,556.76-18,921.64

Finding the Fourth Proportional to 22,126.92, 30,556.76 and 18,921.64

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Solution

The fourth proportional to 22,126.92, 30,556.76 and 18,921.64 is: 26,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126.92 : 30,556.76 = 18,921.64 : x
  2. Step 2: Convert to fraction form
    22,126.92/30,556.76 = 18,921.64/x
  3. Step 3: Cross multiply
    22,126.92x = 30,556.76 × 18,921.64
  4. Step 4: Simplify right side
    22,126.92x = 578,184,012.29
  5. Step 5: Solve for x
    x = 578,184,012.29/22,126.92
  6. Step 6: Final answer
    x = 26,130.34

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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.