Home / 15,451.81-23,177.67-13,365.61

Finding the Fourth Proportional to 15,451.81, 23,177.67 and 13,365.61

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Solution

The fourth proportional to 15,451.81, 23,177.67 and 13,365.61 is: 20,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.81 : 23,177.67 = 13,365.61 : x
  2. Step 2: Convert to fraction form
    15,451.81/23,177.67 = 13,365.61/x
  3. Step 3: Cross multiply
    15,451.81x = 23,177.67 × 13,365.61
  4. Step 4: Simplify right side
    15,451.81x = 309,783,697.93
  5. Step 5: Solve for x
    x = 309,783,697.93/15,451.81
  6. Step 6: Final answer
    x = 20,048.38

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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.