Home / 14,467.19-21,678.46-9,768.79

Finding the Fourth Proportional to 14,467.19, 21,678.46 and 9,768.79

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Solution

The fourth proportional to 14,467.19, 21,678.46 and 9,768.79 is: 14,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,467.19 : 21,678.46 = 9,768.79 : x
  2. Step 2: Convert to fraction form
    14,467.19/21,678.46 = 9,768.79/x
  3. Step 3: Cross multiply
    14,467.19x = 21,678.46 × 9,768.79
  4. Step 4: Simplify right side
    14,467.19x = 211,772,166.03
  5. Step 5: Solve for x
    x = 211,772,166.03/14,467.19
  6. Step 6: Final answer
    x = 14,638.10

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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.