Home / 13,558.73-20,345.00-6,544.71

Finding the Fourth Proportional to 13,558.73, 20,345.00 and 6,544.71

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Solution

The fourth proportional to 13,558.73, 20,345.00 and 6,544.71 is: 9,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.73 : 20,345.00 = 6,544.71 : x
  2. Step 2: Convert to fraction form
    13,558.73/20,345.00 = 6,544.71/x
  3. Step 3: Cross multiply
    13,558.73x = 20,345.00 × 6,544.71
  4. Step 4: Simplify right side
    13,558.73x = 133,152,092.23
  5. Step 5: Solve for x
    x = 133,152,092.23/13,558.73
  6. Step 6: Final answer
    x = 9,820.40

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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.