Home / 18,403.54-25,396.88-10,020.04

Finding the Fourth Proportional to 18,403.54, 25,396.88 and 10,020.04

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Solution

The fourth proportional to 18,403.54, 25,396.88 and 10,020.04 is: 13,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.54 : 25,396.88 = 10,020.04 : x
  2. Step 2: Convert to fraction form
    18,403.54/25,396.88 = 10,020.04/x
  3. Step 3: Cross multiply
    18,403.54x = 25,396.88 × 10,020.04
  4. Step 4: Simplify right side
    18,403.54x = 254,477,753.48
  5. Step 5: Solve for x
    x = 254,477,753.48/18,403.54
  6. Step 6: Final answer
    x = 13,827.65

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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.