Home / 11,439.23-15,751.06-10,014.94

Finding the Fourth Proportional to 11,439.23, 15,751.06 and 10,014.94

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Solution

The fourth proportional to 11,439.23, 15,751.06 and 10,014.94 is: 13,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.23 : 15,751.06 = 10,014.94 : x
  2. Step 2: Convert to fraction form
    11,439.23/15,751.06 = 10,014.94/x
  3. Step 3: Cross multiply
    11,439.23x = 15,751.06 × 10,014.94
  4. Step 4: Simplify right side
    11,439.23x = 157,745,915.49
  5. Step 5: Solve for x
    x = 157,745,915.49/11,439.23
  6. Step 6: Final answer
    x = 13,789.91

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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.