Home / 14,079.71-21,114.69-6,679.14

Finding the Fourth Proportional to 14,079.71, 21,114.69 and 6,679.14

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Solution

The fourth proportional to 14,079.71, 21,114.69 and 6,679.14 is: 10,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.71 : 21,114.69 = 6,679.14 : x
  2. Step 2: Convert to fraction form
    14,079.71/21,114.69 = 6,679.14/x
  3. Step 3: Cross multiply
    14,079.71x = 21,114.69 × 6,679.14
  4. Step 4: Simplify right side
    14,079.71x = 141,027,970.57
  5. Step 5: Solve for x
    x = 141,027,970.57/14,079.71
  6. Step 6: Final answer
    x = 10,016.40

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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.