Home / 14,876.99-20,530.23-8,162.66

Finding the Fourth Proportional to 14,876.99, 20,530.23 and 8,162.66

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Solution

The fourth proportional to 14,876.99, 20,530.23 and 8,162.66 is: 11,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.99 : 20,530.23 = 8,162.66 : x
  2. Step 2: Convert to fraction form
    14,876.99/20,530.23 = 8,162.66/x
  3. Step 3: Cross multiply
    14,876.99x = 20,530.23 × 8,162.66
  4. Step 4: Simplify right side
    14,876.99x = 167,581,184.56
  5. Step 5: Solve for x
    x = 167,581,184.56/14,876.99
  6. Step 6: Final answer
    x = 11,264.46

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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.