Home / 15,041.93-20,767.31-9,666.77

Finding the Fourth Proportional to 15,041.93, 20,767.31 and 9,666.77

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Solution

The fourth proportional to 15,041.93, 20,767.31 and 9,666.77 is: 13,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.93 : 20,767.31 = 9,666.77 : x
  2. Step 2: Convert to fraction form
    15,041.93/20,767.31 = 9,666.77/x
  3. Step 3: Cross multiply
    15,041.93x = 20,767.31 × 9,666.77
  4. Step 4: Simplify right side
    15,041.93x = 200,752,778.96
  5. Step 5: Solve for x
    x = 200,752,778.96/15,041.93
  6. Step 6: Final answer
    x = 13,346.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.