Home / 15,661.92-23,379.18-14,505.60

Finding the Fourth Proportional to 15,661.92, 23,379.18 and 14,505.60

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Solution

The fourth proportional to 15,661.92, 23,379.18 and 14,505.60 is: 21,653.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.92 : 23,379.18 = 14,505.60 : x
  2. Step 2: Convert to fraction form
    15,661.92/23,379.18 = 14,505.60/x
  3. Step 3: Cross multiply
    15,661.92x = 23,379.18 × 14,505.60
  4. Step 4: Simplify right side
    15,661.92x = 339,129,033.41
  5. Step 5: Solve for x
    x = 339,129,033.41/15,661.92
  6. Step 6: Final answer
    x = 21,653.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.