Home / 14,107.26-21,160.08-5,785.32

Finding the Fourth Proportional to 14,107.26, 21,160.08 and 5,785.32

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Solution

The fourth proportional to 14,107.26, 21,160.08 and 5,785.32 is: 8,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.26 : 21,160.08 = 5,785.32 : x
  2. Step 2: Convert to fraction form
    14,107.26/21,160.08 = 5,785.32/x
  3. Step 3: Cross multiply
    14,107.26x = 21,160.08 × 5,785.32
  4. Step 4: Simplify right side
    14,107.26x = 122,417,834.03
  5. Step 5: Solve for x
    x = 122,417,834.03/14,107.26
  6. Step 6: Final answer
    x = 8,677.65

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Double scale
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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.