Home / 15,651.45-23,475.12-7,750.89

Finding the Fourth Proportional to 15,651.45, 23,475.12 and 7,750.89

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Solution

The fourth proportional to 15,651.45, 23,475.12 and 7,750.89 is: 11,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.45 : 23,475.12 = 7,750.89 : x
  2. Step 2: Convert to fraction form
    15,651.45/23,475.12 = 7,750.89/x
  3. Step 3: Cross multiply
    15,651.45x = 23,475.12 × 7,750.89
  4. Step 4: Simplify right side
    15,651.45x = 181,953,072.86
  5. Step 5: Solve for x
    x = 181,953,072.86/15,651.45
  6. Step 6: Final answer
    x = 11,625.32

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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.