Home / 14,318.36-21,472.40-4,955.84

Finding the Fourth Proportional to 14,318.36, 21,472.40 and 4,955.84

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Solution

The fourth proportional to 14,318.36, 21,472.40 and 4,955.84 is: 7,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.36 : 21,472.40 = 4,955.84 : x
  2. Step 2: Convert to fraction form
    14,318.36/21,472.40 = 4,955.84/x
  3. Step 3: Cross multiply
    14,318.36x = 21,472.40 × 4,955.84
  4. Step 4: Simplify right side
    14,318.36x = 106,413,778.82
  5. Step 5: Solve for x
    x = 106,413,778.82/14,318.36
  6. Step 6: Final answer
    x = 7,431.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.