Home / 15,555.18-23,333.99-7,661.94

Finding the Fourth Proportional to 15,555.18, 23,333.99 and 7,661.94

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Solution

The fourth proportional to 15,555.18, 23,333.99 and 7,661.94 is: 11,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.18 : 23,333.99 = 7,661.94 : x
  2. Step 2: Convert to fraction form
    15,555.18/23,333.99 = 7,661.94/x
  3. Step 3: Cross multiply
    15,555.18x = 23,333.99 × 7,661.94
  4. Step 4: Simplify right side
    15,555.18x = 178,783,631.34
  5. Step 5: Solve for x
    x = 178,783,631.34/15,555.18
  6. Step 6: Final answer
    x = 11,493.51

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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.