Home / 18,520.54-25,558.15-10,022.48

Finding the Fourth Proportional to 18,520.54, 25,558.15 and 10,022.48

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Solution

The fourth proportional to 18,520.54, 25,558.15 and 10,022.48 is: 13,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.54 : 25,558.15 = 10,022.48 : x
  2. Step 2: Convert to fraction form
    18,520.54/25,558.15 = 10,022.48/x
  3. Step 3: Cross multiply
    18,520.54x = 25,558.15 × 10,022.48
  4. Step 4: Simplify right side
    18,520.54x = 256,156,047.21
  5. Step 5: Solve for x
    x = 256,156,047.21/18,520.54
  6. Step 6: Final answer
    x = 13,830.92

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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.