Home / 14,856.22-20,501.25-8,141.70

Finding the Fourth Proportional to 14,856.22, 20,501.25 and 8,141.70

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Solution

The fourth proportional to 14,856.22, 20,501.25 and 8,141.70 is: 11,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,856.22 : 20,501.25 = 8,141.70 : x
  2. Step 2: Convert to fraction form
    14,856.22/20,501.25 = 8,141.70/x
  3. Step 3: Cross multiply
    14,856.22x = 20,501.25 × 8,141.70
  4. Step 4: Simplify right side
    14,856.22x = 166,915,027.13
  5. Step 5: Solve for x
    x = 166,915,027.13/14,856.22
  6. Step 6: Final answer
    x = 11,235.36

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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.