Home / 18,643.56-25,733.60-11,095.24

Finding the Fourth Proportional to 18,643.56, 25,733.60 and 11,095.24

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Solution

The fourth proportional to 18,643.56, 25,733.60 and 11,095.24 is: 15,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643.56 : 25,733.60 = 11,095.24 : x
  2. Step 2: Convert to fraction form
    18,643.56/25,733.60 = 11,095.24/x
  3. Step 3: Cross multiply
    18,643.56x = 25,733.60 × 11,095.24
  4. Step 4: Simplify right side
    18,643.56x = 285,520,468.06
  5. Step 5: Solve for x
    x = 285,520,468.06/18,643.56
  6. Step 6: Final answer
    x = 15,314.70

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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.