Home / 14,202.72-19,600.08-7,915.48

Finding the Fourth Proportional to 14,202.72, 19,600.08 and 7,915.48

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Solution

The fourth proportional to 14,202.72, 19,600.08 and 7,915.48 is: 10,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.72 : 19,600.08 = 7,915.48 : x
  2. Step 2: Convert to fraction form
    14,202.72/19,600.08 = 7,915.48/x
  3. Step 3: Cross multiply
    14,202.72x = 19,600.08 × 7,915.48
  4. Step 4: Simplify right side
    14,202.72x = 155,144,041.24
  5. Step 5: Solve for x
    x = 155,144,041.24/14,202.72
  6. Step 6: Final answer
    x = 10,923.54

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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.