Home / 18,117.93-25,015.02-11,322.33

Finding the Fourth Proportional to 18,117.93, 25,015.02 and 11,322.33

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Solution

The fourth proportional to 18,117.93, 25,015.02 and 11,322.33 is: 15,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.93 : 25,015.02 = 11,322.33 : x
  2. Step 2: Convert to fraction form
    18,117.93/25,015.02 = 11,322.33/x
  3. Step 3: Cross multiply
    18,117.93x = 25,015.02 × 11,322.33
  4. Step 4: Simplify right side
    18,117.93x = 283,228,129.71
  5. Step 5: Solve for x
    x = 283,228,129.71/18,117.93
  6. Step 6: Final answer
    x = 15,632.48

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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.