Home / 14,856.99-20,501.49-8,141.52

Finding the Fourth Proportional to 14,856.99, 20,501.49 and 8,141.52

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Solution

The fourth proportional to 14,856.99, 20,501.49 and 8,141.52 is: 11,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,856.99 : 20,501.49 = 8,141.52 : x
  2. Step 2: Convert to fraction form
    14,856.99/20,501.49 = 8,141.52/x
  3. Step 3: Cross multiply
    14,856.99x = 20,501.49 × 8,141.52
  4. Step 4: Simplify right side
    14,856.99x = 166,913,290.86
  5. Step 5: Solve for x
    x = 166,913,290.86/14,856.99
  6. Step 6: Final answer
    x = 11,234.66

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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.