Home / 18,393.36-25,382.60-10,840.01

Finding the Fourth Proportional to 18,393.36, 25,382.60 and 10,840.01

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Solution

The fourth proportional to 18,393.36, 25,382.60 and 10,840.01 is: 14,959.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.36 : 25,382.60 = 10,840.01 : x
  2. Step 2: Convert to fraction form
    18,393.36/25,382.60 = 10,840.01/x
  3. Step 3: Cross multiply
    18,393.36x = 25,382.60 × 10,840.01
  4. Step 4: Simplify right side
    18,393.36x = 275,147,637.83
  5. Step 5: Solve for x
    x = 275,147,637.83/18,393.36
  6. Step 6: Final answer
    x = 14,959.07

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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.