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Finding the Fourth Proportional to 14,803.15, 20,424.99 and 8,833.66

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Solution

The fourth proportional to 14,803.15, 20,424.99 and 8,833.66 is: 12,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.15 : 20,424.99 = 8,833.66 : x
  2. Step 2: Convert to fraction form
    14,803.15/20,424.99 = 8,833.66/x
  3. Step 3: Cross multiply
    14,803.15x = 20,424.99 × 8,833.66
  4. Step 4: Simplify right side
    14,803.15x = 180,427,417.16
  5. Step 5: Solve for x
    x = 180,427,417.16/14,803.15
  6. Step 6: Final answer
    x = 12,188.45

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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.