Home / 19,768.59-29,645.60-7,285.41

Finding the Fourth Proportional to 19,768.59, 29,645.60 and 7,285.41

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Solution

The fourth proportional to 19,768.59, 29,645.60 and 7,285.41 is: 10,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.59 : 29,645.60 = 7,285.41 : x
  2. Step 2: Convert to fraction form
    19,768.59/29,645.60 = 7,285.41/x
  3. Step 3: Cross multiply
    19,768.59x = 29,645.60 × 7,285.41
  4. Step 4: Simplify right side
    19,768.59x = 215,980,314.27
  5. Step 5: Solve for x
    x = 215,980,314.27/19,768.59
  6. Step 6: Final answer
    x = 10,925.43

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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.