Home / 18,188.58-25,099.32-10,230.33

Finding the Fourth Proportional to 18,188.58, 25,099.32 and 10,230.33

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Solution

The fourth proportional to 18,188.58, 25,099.32 and 10,230.33 is: 14,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.58 : 25,099.32 = 10,230.33 : x
  2. Step 2: Convert to fraction form
    18,188.58/25,099.32 = 10,230.33/x
  3. Step 3: Cross multiply
    18,188.58x = 25,099.32 × 10,230.33
  4. Step 4: Simplify right side
    18,188.58x = 256,774,326.38
  5. Step 5: Solve for x
    x = 256,774,326.38/18,188.58
  6. Step 6: Final answer
    x = 14,117.34

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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.