Home / 18,414.15-25,409.55-12,363.16

Finding the Fourth Proportional to 18,414.15, 25,409.55 and 12,363.16

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Solution

The fourth proportional to 18,414.15, 25,409.55 and 12,363.16 is: 17,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.15 : 25,409.55 = 12,363.16 : x
  2. Step 2: Convert to fraction form
    18,414.15/25,409.55 = 12,363.16/x
  3. Step 3: Cross multiply
    18,414.15x = 25,409.55 × 12,363.16
  4. Step 4: Simplify right side
    18,414.15x = 314,142,332.18
  5. Step 5: Solve for x
    x = 314,142,332.18/18,414.15
  6. Step 6: Final answer
    x = 17,059.84

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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.