Home / 14,074.71-21,083.36-6,656.68

Finding the Fourth Proportional to 14,074.71, 21,083.36 and 6,656.68

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Solution

The fourth proportional to 14,074.71, 21,083.36 and 6,656.68 is: 9,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.71 : 21,083.36 = 6,656.68 : x
  2. Step 2: Convert to fraction form
    14,074.71/21,083.36 = 6,656.68/x
  3. Step 3: Cross multiply
    14,074.71x = 21,083.36 × 6,656.68
  4. Step 4: Simplify right side
    14,074.71x = 140,345,230.08
  5. Step 5: Solve for x
    x = 140,345,230.08/14,074.71
  6. Step 6: Final answer
    x = 9,971.45

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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.