Home / 14,803.53-20,429.10-8,838.69

Finding the Fourth Proportional to 14,803.53, 20,429.10 and 8,838.69

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Solution

The fourth proportional to 14,803.53, 20,429.10 and 8,838.69 is: 12,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.53 : 20,429.10 = 8,838.69 : x
  2. Step 2: Convert to fraction form
    14,803.53/20,429.10 = 8,838.69/x
  3. Step 3: Cross multiply
    14,803.53x = 20,429.10 × 8,838.69
  4. Step 4: Simplify right side
    14,803.53x = 180,566,481.88
  5. Step 5: Solve for x
    x = 180,566,481.88/14,803.53
  6. Step 6: Final answer
    x = 12,197.53

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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.