Home / 14,846.24-20,486.94-8,130.53

Finding the Fourth Proportional to 14,846.24, 20,486.94 and 8,130.53

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Solution

The fourth proportional to 14,846.24, 20,486.94 and 8,130.53 is: 11,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,846.24 : 20,486.94 = 8,130.53 : x
  2. Step 2: Convert to fraction form
    14,846.24/20,486.94 = 8,130.53/x
  3. Step 3: Cross multiply
    14,846.24x = 20,486.94 × 8,130.53
  4. Step 4: Simplify right side
    14,846.24x = 166,569,680.28
  5. Step 5: Solve for x
    x = 166,569,680.28/14,846.24
  6. Step 6: Final answer
    x = 11,219.65

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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.