Home / 16,785.19-25,155.08-6,391.27

Finding the Fourth Proportional to 16,785.19, 25,155.08 and 6,391.27

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Solution

The fourth proportional to 16,785.19, 25,155.08 and 6,391.27 is: 9,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.19 : 25,155.08 = 6,391.27 : x
  2. Step 2: Convert to fraction form
    16,785.19/25,155.08 = 6,391.27/x
  3. Step 3: Cross multiply
    16,785.19x = 25,155.08 × 6,391.27
  4. Step 4: Simplify right side
    16,785.19x = 160,772,908.15
  5. Step 5: Solve for x
    x = 160,772,908.15/16,785.19
  6. Step 6: Final answer
    x = 9,578.26

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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.