Home / 18,187.29-27,277.83-5,036.58

Finding the Fourth Proportional to 18,187.29, 27,277.83 and 5,036.58

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Solution

The fourth proportional to 18,187.29, 27,277.83 and 5,036.58 is: 7,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.29 : 27,277.83 = 5,036.58 : x
  2. Step 2: Convert to fraction form
    18,187.29/27,277.83 = 5,036.58/x
  3. Step 3: Cross multiply
    18,187.29x = 27,277.83 × 5,036.58
  4. Step 4: Simplify right side
    18,187.29x = 137,386,973.02
  5. Step 5: Solve for x
    x = 137,386,973.02/18,187.29
  6. Step 6: Final answer
    x = 7,554.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.