Home / 18,314.09-25,273.94-10,357.50

Finding the Fourth Proportional to 18,314.09, 25,273.94 and 10,357.50

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Solution

The fourth proportional to 18,314.09, 25,273.94 and 10,357.50 is: 14,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.09 : 25,273.94 = 10,357.50 : x
  2. Step 2: Convert to fraction form
    18,314.09/25,273.94 = 10,357.50/x
  3. Step 3: Cross multiply
    18,314.09x = 25,273.94 × 10,357.50
  4. Step 4: Simplify right side
    18,314.09x = 261,774,781.76
  5. Step 5: Solve for x
    x = 261,774,781.76/18,314.09
  6. Step 6: Final answer
    x = 14,293.63

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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.