Home / 15,066.31-20,790.94-8,352.04

Finding the Fourth Proportional to 15,066.31, 20,790.94 and 8,352.04

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Solution

The fourth proportional to 15,066.31, 20,790.94 and 8,352.04 is: 11,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.31 : 20,790.94 = 8,352.04 : x
  2. Step 2: Convert to fraction form
    15,066.31/20,790.94 = 8,352.04/x
  3. Step 3: Cross multiply
    15,066.31x = 20,790.94 × 8,352.04
  4. Step 4: Simplify right side
    15,066.31x = 173,646,762.52
  5. Step 5: Solve for x
    x = 173,646,762.52/15,066.31
  6. Step 6: Final answer
    x = 11,525.50

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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.