Home / 15,102.86-22,654.31-5,740.68

Finding the Fourth Proportional to 15,102.86, 22,654.31 and 5,740.68

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Solution

The fourth proportional to 15,102.86, 22,654.31 and 5,740.68 is: 8,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.86 : 22,654.31 = 5,740.68 : x
  2. Step 2: Convert to fraction form
    15,102.86/22,654.31 = 5,740.68/x
  3. Step 3: Cross multiply
    15,102.86x = 22,654.31 × 5,740.68
  4. Step 4: Simplify right side
    15,102.86x = 130,051,115.63
  5. Step 5: Solve for x
    x = 130,051,115.63/15,102.86
  6. Step 6: Final answer
    x = 8,611.03

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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.