Home / 14,722.80-20,322.03-9,059.28

Finding the Fourth Proportional to 14,722.80, 20,322.03 and 9,059.28

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Solution

The fourth proportional to 14,722.80, 20,322.03 and 9,059.28 is: 12,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.80 : 20,322.03 = 9,059.28 : x
  2. Step 2: Convert to fraction form
    14,722.80/20,322.03 = 9,059.28/x
  3. Step 3: Cross multiply
    14,722.80x = 20,322.03 × 9,059.28
  4. Step 4: Simplify right side
    14,722.80x = 184,102,959.94
  5. Step 5: Solve for x
    x = 184,102,959.94/14,722.80
  6. Step 6: Final answer
    x = 12,504.62

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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.