Home / 15,623.79-23,439.20-4,950.80

Finding the Fourth Proportional to 15,623.79, 23,439.20 and 4,950.80

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Solution

The fourth proportional to 15,623.79, 23,439.20 and 4,950.80 is: 7,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.79 : 23,439.20 = 4,950.80 : x
  2. Step 2: Convert to fraction form
    15,623.79/23,439.20 = 4,950.80/x
  3. Step 3: Cross multiply
    15,623.79x = 23,439.20 × 4,950.80
  4. Step 4: Simplify right side
    15,623.79x = 116,042,686.54
  5. Step 5: Solve for x
    x = 116,042,686.54/15,623.79
  6. Step 6: Final answer
    x = 7,427.31

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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.