Home / 18,366.07-25,343.73-10,409.53

Finding the Fourth Proportional to 18,366.07, 25,343.73 and 10,409.53

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Solution

The fourth proportional to 18,366.07, 25,343.73 and 10,409.53 is: 14,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.07 : 25,343.73 = 10,409.53 : x
  2. Step 2: Convert to fraction form
    18,366.07/25,343.73 = 10,409.53/x
  3. Step 3: Cross multiply
    18,366.07x = 25,343.73 × 10,409.53
  4. Step 4: Simplify right side
    18,366.07x = 263,816,317.75
  5. Step 5: Solve for x
    x = 263,816,317.75/18,366.07
  6. Step 6: Final answer
    x = 14,364.33

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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.