Home / 18,188.10-25,099.47-10,230.32

Finding the Fourth Proportional to 18,188.10, 25,099.47 and 10,230.32

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Solution

The fourth proportional to 18,188.10, 25,099.47 and 10,230.32 is: 14,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.10 : 25,099.47 = 10,230.32 : x
  2. Step 2: Convert to fraction form
    18,188.10/25,099.47 = 10,230.32/x
  3. Step 3: Cross multiply
    18,188.10x = 25,099.47 × 10,230.32
  4. Step 4: Simplify right side
    18,188.10x = 256,775,484.43
  5. Step 5: Solve for x
    x = 256,775,484.43/18,188.10
  6. Step 6: Final answer
    x = 14,117.77

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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.