Home / 14,671.39-20,246.61-7,957.12

Finding the Fourth Proportional to 14,671.39, 20,246.61 and 7,957.12

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Solution

The fourth proportional to 14,671.39, 20,246.61 and 7,957.12 is: 10,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.39 : 20,246.61 = 7,957.12 : x
  2. Step 2: Convert to fraction form
    14,671.39/20,246.61 = 7,957.12/x
  3. Step 3: Cross multiply
    14,671.39x = 20,246.61 × 7,957.12
  4. Step 4: Simplify right side
    14,671.39x = 161,104,705.36
  5. Step 5: Solve for x
    x = 161,104,705.36/14,671.39
  6. Step 6: Final answer
    x = 10,980.88

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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.