Home / 22,215.94-33,285.03-12,962.50

Finding the Fourth Proportional to 22,215.94, 33,285.03 and 12,962.50

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Solution

The fourth proportional to 22,215.94, 33,285.03 and 12,962.50 is: 19,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,215.94 : 33,285.03 = 12,962.50 : x
  2. Step 2: Convert to fraction form
    22,215.94/33,285.03 = 12,962.50/x
  3. Step 3: Cross multiply
    22,215.94x = 33,285.03 × 12,962.50
  4. Step 4: Simplify right side
    22,215.94x = 431,457,201.38
  5. Step 5: Solve for x
    x = 431,457,201.38/22,215.94
  6. Step 6: Final answer
    x = 19,421.06

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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.