Home / 18,273.36-25,216.72-10,315.52

Finding the Fourth Proportional to 18,273.36, 25,216.72 and 10,315.52

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Solution

The fourth proportional to 18,273.36, 25,216.72 and 10,315.52 is: 14,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.36 : 25,216.72 = 10,315.52 : x
  2. Step 2: Convert to fraction form
    18,273.36/25,216.72 = 10,315.52/x
  3. Step 3: Cross multiply
    18,273.36x = 25,216.72 × 10,315.52
  4. Step 4: Simplify right side
    18,273.36x = 260,123,579.49
  5. Step 5: Solve for x
    x = 260,123,579.49/18,273.36
  6. Step 6: Final answer
    x = 14,235.13

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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.