Home / 14,801.88-20,421.30-9,499.62

Finding the Fourth Proportional to 14,801.88, 20,421.30 and 9,499.62

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Solution

The fourth proportional to 14,801.88, 20,421.30 and 9,499.62 is: 13,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.88 : 20,421.30 = 9,499.62 : x
  2. Step 2: Convert to fraction form
    14,801.88/20,421.30 = 9,499.62/x
  3. Step 3: Cross multiply
    14,801.88x = 20,421.30 × 9,499.62
  4. Step 4: Simplify right side
    14,801.88x = 193,994,589.91
  5. Step 5: Solve for x
    x = 193,994,589.91/14,801.88
  6. Step 6: Final answer
    x = 13,106.08

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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.