Home / 14,827.08-20,460.47-8,452.78

Finding the Fourth Proportional to 14,827.08, 20,460.47 and 8,452.78

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Solution

The fourth proportional to 14,827.08, 20,460.47 and 8,452.78 is: 11,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,827.08 : 20,460.47 = 8,452.78 : x
  2. Step 2: Convert to fraction form
    14,827.08/20,460.47 = 8,452.78/x
  3. Step 3: Cross multiply
    14,827.08x = 20,460.47 × 8,452.78
  4. Step 4: Simplify right side
    14,827.08x = 172,947,872.74
  5. Step 5: Solve for x
    x = 172,947,872.74/14,827.08
  6. Step 6: Final answer
    x = 11,664.33

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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.