Home / 18,685.37-25,784.77-10,727.07

Finding the Fourth Proportional to 18,685.37, 25,784.77 and 10,727.07

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Solution

The fourth proportional to 18,685.37, 25,784.77 and 10,727.07 is: 14,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685.37 : 25,784.77 = 10,727.07 : x
  2. Step 2: Convert to fraction form
    18,685.37/25,784.77 = 10,727.07/x
  3. Step 3: Cross multiply
    18,685.37x = 25,784.77 × 10,727.07
  4. Step 4: Simplify right side
    18,685.37x = 276,595,032.72
  5. Step 5: Solve for x
    x = 276,595,032.72/18,685.37
  6. Step 6: Final answer
    x = 14,802.76

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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.