Home / 14,061.60-21,079.98-11,994.89

Finding the Fourth Proportional to 14,061.60, 21,079.98 and 11,994.89

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Solution

The fourth proportional to 14,061.60, 21,079.98 and 11,994.89 is: 17,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,061.60 : 21,079.98 = 11,994.89 : x
  2. Step 2: Convert to fraction form
    14,061.60/21,079.98 = 11,994.89/x
  3. Step 3: Cross multiply
    14,061.60x = 21,079.98 × 11,994.89
  4. Step 4: Simplify right side
    14,061.60x = 252,851,935.90
  5. Step 5: Solve for x
    x = 252,851,935.90/14,061.60
  6. Step 6: Final answer
    x = 17,981.73

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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.