Home / 14,260.93-19,680.81-8,212.06

Finding the Fourth Proportional to 14,260.93, 19,680.81 and 8,212.06

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Solution

The fourth proportional to 14,260.93, 19,680.81 and 8,212.06 is: 11,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.93 : 19,680.81 = 8,212.06 : x
  2. Step 2: Convert to fraction form
    14,260.93/19,680.81 = 8,212.06/x
  3. Step 3: Cross multiply
    14,260.93x = 19,680.81 × 8,212.06
  4. Step 4: Simplify right side
    14,260.93x = 161,620,097.17
  5. Step 5: Solve for x
    x = 161,620,097.17/14,260.93
  6. Step 6: Final answer
    x = 11,333.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.