Home / 18,366.32-25,343.60-10,406.96

Finding the Fourth Proportional to 18,366.32, 25,343.60 and 10,406.96

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Solution

The fourth proportional to 18,366.32, 25,343.60 and 10,406.96 is: 14,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.32 : 25,343.60 = 10,406.96 : x
  2. Step 2: Convert to fraction form
    18,366.32/25,343.60 = 10,406.96/x
  3. Step 3: Cross multiply
    18,366.32x = 25,343.60 × 10,406.96
  4. Step 4: Simplify right side
    18,366.32x = 263,749,831.46
  5. Step 5: Solve for x
    x = 263,749,831.46/18,366.32
  6. Step 6: Final answer
    x = 14,360.52

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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.