Home / 18,785.95-25,924.64-10,172.23

Finding the Fourth Proportional to 18,785.95, 25,924.64 and 10,172.23

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Solution

The fourth proportional to 18,785.95, 25,924.64 and 10,172.23 is: 14,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.95 : 25,924.64 = 10,172.23 : x
  2. Step 2: Convert to fraction form
    18,785.95/25,924.64 = 10,172.23/x
  3. Step 3: Cross multiply
    18,785.95x = 25,924.64 × 10,172.23
  4. Step 4: Simplify right side
    18,785.95x = 263,711,366.98
  5. Step 5: Solve for x
    x = 263,711,366.98/18,785.95
  6. Step 6: Final answer
    x = 14,037.69

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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.