Home / 22,015.08-30,345.30-18,029.16

Finding the Fourth Proportional to 22,015.08, 30,345.30 and 18,029.16

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Solution

The fourth proportional to 22,015.08, 30,345.30 and 18,029.16 is: 24,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.08 : 30,345.30 = 18,029.16 : x
  2. Step 2: Convert to fraction form
    22,015.08/30,345.30 = 18,029.16/x
  3. Step 3: Cross multiply
    22,015.08x = 30,345.30 × 18,029.16
  4. Step 4: Simplify right side
    22,015.08x = 547,100,268.95
  5. Step 5: Solve for x
    x = 547,100,268.95/22,015.08
  6. Step 6: Final answer
    x = 24,851.16

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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.