Home / 14,622.30-21,901.05-12,030.30

Finding the Fourth Proportional to 14,622.30, 21,901.05 and 12,030.30

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Solution

The fourth proportional to 14,622.30, 21,901.05 and 12,030.30 is: 18,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.30 : 21,901.05 = 12,030.30 : x
  2. Step 2: Convert to fraction form
    14,622.30/21,901.05 = 12,030.30/x
  3. Step 3: Cross multiply
    14,622.30x = 21,901.05 × 12,030.30
  4. Step 4: Simplify right side
    14,622.30x = 263,476,201.82
  5. Step 5: Solve for x
    x = 263,476,201.82/14,622.30
  6. Step 6: Final answer
    x = 18,018.79

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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.