Home / 14,720.56-20,313.95-8,005.96

Finding the Fourth Proportional to 14,720.56, 20,313.95 and 8,005.96

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Solution

The fourth proportional to 14,720.56, 20,313.95 and 8,005.96 is: 11,047.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.56 : 20,313.95 = 8,005.96 : x
  2. Step 2: Convert to fraction form
    14,720.56/20,313.95 = 8,005.96/x
  3. Step 3: Cross multiply
    14,720.56x = 20,313.95 × 8,005.96
  4. Step 4: Simplify right side
    14,720.56x = 162,632,671.14
  5. Step 5: Solve for x
    x = 162,632,671.14/14,720.56
  6. Step 6: Final answer
    x = 11,047.99

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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.