Home / 14,066.60-21,089.39-8,518.59

Finding the Fourth Proportional to 14,066.60, 21,089.39 and 8,518.59

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Solution

The fourth proportional to 14,066.60, 21,089.39 and 8,518.59 is: 12,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.60 : 21,089.39 = 8,518.59 : x
  2. Step 2: Convert to fraction form
    14,066.60/21,089.39 = 8,518.59/x
  3. Step 3: Cross multiply
    14,066.60x = 21,089.39 × 8,518.59
  4. Step 4: Simplify right side
    14,066.60x = 179,651,824.17
  5. Step 5: Solve for x
    x = 179,651,824.17/14,066.60
  6. Step 6: Final answer
    x = 12,771.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.