Home / 18,480.95-25,496.47-11,395.07

Finding the Fourth Proportional to 18,480.95, 25,496.47 and 11,395.07

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Solution

The fourth proportional to 18,480.95, 25,496.47 and 11,395.07 is: 15,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.95 : 25,496.47 = 11,395.07 : x
  2. Step 2: Convert to fraction form
    18,480.95/25,496.47 = 11,395.07/x
  3. Step 3: Cross multiply
    18,480.95x = 25,496.47 × 11,395.07
  4. Step 4: Simplify right side
    18,480.95x = 290,534,060.40
  5. Step 5: Solve for x
    x = 290,534,060.40/18,480.95
  6. Step 6: Final answer
    x = 15,720.73

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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.