Home / 13,561.01-20,347.67-8,025.15

Finding the Fourth Proportional to 13,561.01, 20,347.67 and 8,025.15

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Solution

The fourth proportional to 13,561.01, 20,347.67 and 8,025.15 is: 12,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.01 : 20,347.67 = 8,025.15 : x
  2. Step 2: Convert to fraction form
    13,561.01/20,347.67 = 8,025.15/x
  3. Step 3: Cross multiply
    13,561.01x = 20,347.67 × 8,025.15
  4. Step 4: Simplify right side
    13,561.01x = 163,293,103.90
  5. Step 5: Solve for x
    x = 163,293,103.90/13,561.01
  6. Step 6: Final answer
    x = 12,041.37

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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.