Home / 14,384.80-21,577.20-7,362.10

Finding the Fourth Proportional to 14,384.80, 21,577.20 and 7,362.10

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Solution

The fourth proportional to 14,384.80, 21,577.20 and 7,362.10 is: 11,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,384.80 : 21,577.20 = 7,362.10 : x
  2. Step 2: Convert to fraction form
    14,384.80/21,577.20 = 7,362.10/x
  3. Step 3: Cross multiply
    14,384.80x = 21,577.20 × 7,362.10
  4. Step 4: Simplify right side
    14,384.80x = 158,853,504.12
  5. Step 5: Solve for x
    x = 158,853,504.12/14,384.80
  6. Step 6: Final answer
    x = 11,043.15

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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.