Home / 25,174.15-37,728.92-21,271.37

Finding the Fourth Proportional to 25,174.15, 37,728.92 and 21,271.37

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Solution

The fourth proportional to 25,174.15, 37,728.92 and 21,271.37 is: 31,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,174.15 : 37,728.92 = 21,271.37 : x
  2. Step 2: Convert to fraction form
    25,174.15/37,728.92 = 21,271.37/x
  3. Step 3: Cross multiply
    25,174.15x = 37,728.92 × 21,271.37
  4. Step 4: Simplify right side
    25,174.15x = 802,545,681.55
  5. Step 5: Solve for x
    x = 802,545,681.55/25,174.15
  6. Step 6: Final answer
    x = 31,879.76

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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.