Home / 14,005.41-21,002.64-6,208.75

Finding the Fourth Proportional to 14,005.41, 21,002.64 and 6,208.75

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Solution

The fourth proportional to 14,005.41, 21,002.64 and 6,208.75 is: 9,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.41 : 21,002.64 = 6,208.75 : x
  2. Step 2: Convert to fraction form
    14,005.41/21,002.64 = 6,208.75/x
  3. Step 3: Cross multiply
    14,005.41x = 21,002.64 × 6,208.75
  4. Step 4: Simplify right side
    14,005.41x = 130,400,141.10
  5. Step 5: Solve for x
    x = 130,400,141.10/14,005.41
  6. Step 6: Final answer
    x = 9,310.70

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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.