Home / 14,318.82-19,768.61-9,359.46

Finding the Fourth Proportional to 14,318.82, 19,768.61 and 9,359.46

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Solution

The fourth proportional to 14,318.82, 19,768.61 and 9,359.46 is: 12,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.82 : 19,768.61 = 9,359.46 : x
  2. Step 2: Convert to fraction form
    14,318.82/19,768.61 = 9,359.46/x
  3. Step 3: Cross multiply
    14,318.82x = 19,768.61 × 9,359.46
  4. Step 4: Simplify right side
    14,318.82x = 185,023,368.91
  5. Step 5: Solve for x
    x = 185,023,368.91/14,318.82
  6. Step 6: Final answer
    x = 12,921.70

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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.