Home / 43,402.69-65,109.24-15,316.94

Finding the Fourth Proportional to 43,402.69, 65,109.24 and 15,316.94

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Solution

The fourth proportional to 43,402.69, 65,109.24 and 15,316.94 is: 22,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,402.69 : 65,109.24 = 15,316.94 : x
  2. Step 2: Convert to fraction form
    43,402.69/65,109.24 = 15,316.94/x
  3. Step 3: Cross multiply
    43,402.69x = 65,109.24 × 15,316.94
  4. Step 4: Simplify right side
    43,402.69x = 997,274,245.94
  5. Step 5: Solve for x
    x = 997,274,245.94/43,402.69
  6. Step 6: Final answer
    x = 22,977.25

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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.