Home / 18,725.81-25,846.02-10,772.62

Finding the Fourth Proportional to 18,725.81, 25,846.02 and 10,772.62

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Solution

The fourth proportional to 18,725.81, 25,846.02 and 10,772.62 is: 14,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.81 : 25,846.02 = 10,772.62 : x
  2. Step 2: Convert to fraction form
    18,725.81/25,846.02 = 10,772.62/x
  3. Step 3: Cross multiply
    18,725.81x = 25,846.02 × 10,772.62
  4. Step 4: Simplify right side
    18,725.81x = 278,429,287.36
  5. Step 5: Solve for x
    x = 278,429,287.36/18,725.81
  6. Step 6: Final answer
    x = 14,868.75

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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.