Home / 18,419.77-25,419.29-10,036.27

Finding the Fourth Proportional to 18,419.77, 25,419.29 and 10,036.27

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Solution

The fourth proportional to 18,419.77, 25,419.29 and 10,036.27 is: 13,850.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.77 : 25,419.29 = 10,036.27 : x
  2. Step 2: Convert to fraction form
    18,419.77/25,419.29 = 10,036.27/x
  3. Step 3: Cross multiply
    18,419.77x = 25,419.29 × 10,036.27
  4. Step 4: Simplify right side
    18,419.77x = 255,114,921.20
  5. Step 5: Solve for x
    x = 255,114,921.20/18,419.77
  6. Step 6: Final answer
    x = 13,850.06

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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.