Home / 14,612.04-21,914.69-7,115.36

Finding the Fourth Proportional to 14,612.04, 21,914.69 and 7,115.36

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Solution

The fourth proportional to 14,612.04, 21,914.69 and 7,115.36 is: 10,671.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.04 : 21,914.69 = 7,115.36 : x
  2. Step 2: Convert to fraction form
    14,612.04/21,914.69 = 7,115.36/x
  3. Step 3: Cross multiply
    14,612.04x = 21,914.69 × 7,115.36
  4. Step 4: Simplify right side
    14,612.04x = 155,930,763.49
  5. Step 5: Solve for x
    x = 155,930,763.49/14,612.04
  6. Step 6: Final answer
    x = 10,671.39

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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.