Home / 18,323.02-25,285.73-9,939.52

Finding the Fourth Proportional to 18,323.02, 25,285.73 and 9,939.52

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Solution

The fourth proportional to 18,323.02, 25,285.73 and 9,939.52 is: 13,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.02 : 25,285.73 = 9,939.52 : x
  2. Step 2: Convert to fraction form
    18,323.02/25,285.73 = 9,939.52/x
  3. Step 3: Cross multiply
    18,323.02x = 25,285.73 × 9,939.52
  4. Step 4: Simplify right side
    18,323.02x = 251,328,019.05
  5. Step 5: Solve for x
    x = 251,328,019.05/18,323.02
  6. Step 6: Final answer
    x = 13,716.52

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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.