Home / 14,694.18-20,277.56-7,979.58

Finding the Fourth Proportional to 14,694.18, 20,277.56 and 7,979.58

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Solution

The fourth proportional to 14,694.18, 20,277.56 and 7,979.58 is: 11,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.18 : 20,277.56 = 7,979.58 : x
  2. Step 2: Convert to fraction form
    14,694.18/20,277.56 = 7,979.58/x
  3. Step 3: Cross multiply
    14,694.18x = 20,277.56 × 7,979.58
  4. Step 4: Simplify right side
    14,694.18x = 161,806,412.22
  5. Step 5: Solve for x
    x = 161,806,412.22/14,694.18
  6. Step 6: Final answer
    x = 11,011.60

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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.