Home / 14,995.09-20,692.92-8,280.33

Finding the Fourth Proportional to 14,995.09, 20,692.92 and 8,280.33

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Solution

The fourth proportional to 14,995.09, 20,692.92 and 8,280.33 is: 11,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.09 : 20,692.92 = 8,280.33 : x
  2. Step 2: Convert to fraction form
    14,995.09/20,692.92 = 8,280.33/x
  3. Step 3: Cross multiply
    14,995.09x = 20,692.92 × 8,280.33
  4. Step 4: Simplify right side
    14,995.09x = 171,344,206.26
  5. Step 5: Solve for x
    x = 171,344,206.26/14,995.09
  6. Step 6: Final answer
    x = 11,426.69

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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.