Home / 14,650.08-20,218.52-8,363.40

Finding the Fourth Proportional to 14,650.08, 20,218.52 and 8,363.40

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Solution

The fourth proportional to 14,650.08, 20,218.52 and 8,363.40 is: 11,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.08 : 20,218.52 = 8,363.40 : x
  2. Step 2: Convert to fraction form
    14,650.08/20,218.52 = 8,363.40/x
  3. Step 3: Cross multiply
    14,650.08x = 20,218.52 × 8,363.40
  4. Step 4: Simplify right side
    14,650.08x = 169,095,570.17
  5. Step 5: Solve for x
    x = 169,095,570.17/14,650.08
  6. Step 6: Final answer
    x = 11,542.30

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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.