Home / 20,524.02-28,325.82-11,574.32

Finding the Fourth Proportional to 20,524.02, 28,325.82 and 11,574.32

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Solution

The fourth proportional to 20,524.02, 28,325.82 and 11,574.32 is: 15,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.02 : 28,325.82 = 11,574.32 : x
  2. Step 2: Convert to fraction form
    20,524.02/28,325.82 = 11,574.32/x
  3. Step 3: Cross multiply
    20,524.02x = 28,325.82 × 11,574.32
  4. Step 4: Simplify right side
    20,524.02x = 327,852,104.94
  5. Step 5: Solve for x
    x = 327,852,104.94/20,524.02
  6. Step 6: Final answer
    x = 15,974.07

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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.