Home / 14,864.21-20,514.69-9,200.76

Finding the Fourth Proportional to 14,864.21, 20,514.69 and 9,200.76

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Solution

The fourth proportional to 14,864.21, 20,514.69 and 9,200.76 is: 12,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.21 : 20,514.69 = 9,200.76 : x
  2. Step 2: Convert to fraction form
    14,864.21/20,514.69 = 9,200.76/x
  3. Step 3: Cross multiply
    14,864.21x = 20,514.69 × 9,200.76
  4. Step 4: Simplify right side
    14,864.21x = 188,750,739.16
  5. Step 5: Solve for x
    x = 188,750,739.16/14,864.21
  6. Step 6: Final answer
    x = 12,698.34

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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.