Home / 14,909.83-20,577.51-9,620.03

Finding the Fourth Proportional to 14,909.83, 20,577.51 and 9,620.03

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Solution

The fourth proportional to 14,909.83, 20,577.51 and 9,620.03 is: 13,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.83 : 20,577.51 = 9,620.03 : x
  2. Step 2: Convert to fraction form
    14,909.83/20,577.51 = 9,620.03/x
  3. Step 3: Cross multiply
    14,909.83x = 20,577.51 × 9,620.03
  4. Step 4: Simplify right side
    14,909.83x = 197,956,215.43
  5. Step 5: Solve for x
    x = 197,956,215.43/14,909.83
  6. Step 6: Final answer
    x = 13,276.90

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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.