Home / 14,601.28-20,149.40-8,313.24

Finding the Fourth Proportional to 14,601.28, 20,149.40 and 8,313.24

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Solution

The fourth proportional to 14,601.28, 20,149.40 and 8,313.24 is: 11,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.28 : 20,149.40 = 8,313.24 : x
  2. Step 2: Convert to fraction form
    14,601.28/20,149.40 = 8,313.24/x
  3. Step 3: Cross multiply
    14,601.28x = 20,149.40 × 8,313.24
  4. Step 4: Simplify right side
    14,601.28x = 167,506,798.06
  5. Step 5: Solve for x
    x = 167,506,798.06/14,601.28
  6. Step 6: Final answer
    x = 11,472.06

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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.