Home / 13,285.68-19,915.56-6,365.04

Finding the Fourth Proportional to 13,285.68, 19,915.56 and 6,365.04

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Solution

The fourth proportional to 13,285.68, 19,915.56 and 6,365.04 is: 9,541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.68 : 19,915.56 = 6,365.04 : x
  2. Step 2: Convert to fraction form
    13,285.68/19,915.56 = 6,365.04/x
  3. Step 3: Cross multiply
    13,285.68x = 19,915.56 × 6,365.04
  4. Step 4: Simplify right side
    13,285.68x = 126,763,336.02
  5. Step 5: Solve for x
    x = 126,763,336.02/13,285.68
  6. Step 6: Final answer
    x = 9,541.35

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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.