Home / 14,228.56-21,342.81-4,868.66

Finding the Fourth Proportional to 14,228.56, 21,342.81 and 4,868.66

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Solution

The fourth proportional to 14,228.56, 21,342.81 and 4,868.66 is: 7,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.56 : 21,342.81 = 4,868.66 : x
  2. Step 2: Convert to fraction form
    14,228.56/21,342.81 = 4,868.66/x
  3. Step 3: Cross multiply
    14,228.56x = 21,342.81 × 4,868.66
  4. Step 4: Simplify right side
    14,228.56x = 103,910,885.33
  5. Step 5: Solve for x
    x = 103,910,885.33/14,228.56
  6. Step 6: Final answer
    x = 7,302.98

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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.