Home / 14,146.45-21,223.22-9,994.59

Finding the Fourth Proportional to 14,146.45, 21,223.22 and 9,994.59

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Solution

The fourth proportional to 14,146.45, 21,223.22 and 9,994.59 is: 14,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.45 : 21,223.22 = 9,994.59 : x
  2. Step 2: Convert to fraction form
    14,146.45/21,223.22 = 9,994.59/x
  3. Step 3: Cross multiply
    14,146.45x = 21,223.22 × 9,994.59
  4. Step 4: Simplify right side
    14,146.45x = 212,117,332.41
  5. Step 5: Solve for x
    x = 212,117,332.41/14,146.45
  6. Step 6: Final answer
    x = 14,994.39

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Double scale
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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.