Home / 14,801.52-20,426.40-8,514.30

Finding the Fourth Proportional to 14,801.52, 20,426.40 and 8,514.30

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Solution

The fourth proportional to 14,801.52, 20,426.40 and 8,514.30 is: 11,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.52 : 20,426.40 = 8,514.30 : x
  2. Step 2: Convert to fraction form
    14,801.52/20,426.40 = 8,514.30/x
  3. Step 3: Cross multiply
    14,801.52x = 20,426.40 × 8,514.30
  4. Step 4: Simplify right side
    14,801.52x = 173,916,497.52
  5. Step 5: Solve for x
    x = 173,916,497.52/14,801.52
  6. Step 6: Final answer
    x = 11,749.91

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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.