Home / 14,718.42-20,311.52-8,004.12

Finding the Fourth Proportional to 14,718.42, 20,311.52 and 8,004.12

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Solution

The fourth proportional to 14,718.42, 20,311.52 and 8,004.12 is: 11,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.42 : 20,311.52 = 8,004.12 : x
  2. Step 2: Convert to fraction form
    14,718.42/20,311.52 = 8,004.12/x
  3. Step 3: Cross multiply
    14,718.42x = 20,311.52 × 8,004.12
  4. Step 4: Simplify right side
    14,718.42x = 162,575,803.44
  5. Step 5: Solve for x
    x = 162,575,803.44/14,718.42
  6. Step 6: Final answer
    x = 11,045.74

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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.