Home / 28,297.38-39,052.71-18,246.75

Finding the Fourth Proportional to 28,297.38, 39,052.71 and 18,246.75

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Solution

The fourth proportional to 28,297.38, 39,052.71 and 18,246.75 is: 25,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.38 : 39,052.71 = 18,246.75 : x
  2. Step 2: Convert to fraction form
    28,297.38/39,052.71 = 18,246.75/x
  3. Step 3: Cross multiply
    28,297.38x = 39,052.71 × 18,246.75
  4. Step 4: Simplify right side
    28,297.38x = 712,585,036.19
  5. Step 5: Solve for x
    x = 712,585,036.19/28,297.38
  6. Step 6: Final answer
    x = 25,182.01

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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.