Home / 18,260.23-25,199.84-10,705.51

Finding the Fourth Proportional to 18,260.23, 25,199.84 and 10,705.51

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Solution

The fourth proportional to 18,260.23, 25,199.84 and 10,705.51 is: 14,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.23 : 25,199.84 = 10,705.51 : x
  2. Step 2: Convert to fraction form
    18,260.23/25,199.84 = 10,705.51/x
  3. Step 3: Cross multiply
    18,260.23x = 25,199.84 × 10,705.51
  4. Step 4: Simplify right side
    18,260.23x = 269,777,022.59
  5. Step 5: Solve for x
    x = 269,777,022.59/18,260.23
  6. Step 6: Final answer
    x = 14,774.02

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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.