Home / 15,171.13-22,756.70-4,783.69

Finding the Fourth Proportional to 15,171.13, 22,756.70 and 4,783.69

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Solution

The fourth proportional to 15,171.13, 22,756.70 and 4,783.69 is: 7,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.13 : 22,756.70 = 4,783.69 : x
  2. Step 2: Convert to fraction form
    15,171.13/22,756.70 = 4,783.69/x
  3. Step 3: Cross multiply
    15,171.13x = 22,756.70 × 4,783.69
  4. Step 4: Simplify right side
    15,171.13x = 108,860,917.41
  5. Step 5: Solve for x
    x = 108,860,917.41/15,171.13
  6. Step 6: Final answer
    x = 7,175.53

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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.