Home / 14,669.54-20,243.42-7,955.06

Finding the Fourth Proportional to 14,669.54, 20,243.42 and 7,955.06

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Solution

The fourth proportional to 14,669.54, 20,243.42 and 7,955.06 is: 10,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.54 : 20,243.42 = 7,955.06 : x
  2. Step 2: Convert to fraction form
    14,669.54/20,243.42 = 7,955.06/x
  3. Step 3: Cross multiply
    14,669.54x = 20,243.42 × 7,955.06
  4. Step 4: Simplify right side
    14,669.54x = 161,037,620.71
  5. Step 5: Solve for x
    x = 161,037,620.71/14,669.54
  6. Step 6: Final answer
    x = 10,977.69

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Similar ratio
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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.