Home / 14,718.92-20,312.01-8,004.42

Finding the Fourth Proportional to 14,718.92, 20,312.01 and 8,004.42

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Solution

The fourth proportional to 14,718.92, 20,312.01 and 8,004.42 is: 11,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.92 : 20,312.01 = 8,004.42 : x
  2. Step 2: Convert to fraction form
    14,718.92/20,312.01 = 8,004.42/x
  3. Step 3: Cross multiply
    14,718.92x = 20,312.01 × 8,004.42
  4. Step 4: Simplify right side
    14,718.92x = 162,585,859.08
  5. Step 5: Solve for x
    x = 162,585,859.08/14,718.92
  6. Step 6: Final answer
    x = 11,046.05

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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.