Home / 22,000.62-30,360.60-11,929.08

Finding the Fourth Proportional to 22,000.62, 30,360.60 and 11,929.08

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Solution

The fourth proportional to 22,000.62, 30,360.60 and 11,929.08 is: 16,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.62 : 30,360.60 = 11,929.08 : x
  2. Step 2: Convert to fraction form
    22,000.62/30,360.60 = 11,929.08/x
  3. Step 3: Cross multiply
    22,000.62x = 30,360.60 × 11,929.08
  4. Step 4: Simplify right side
    22,000.62x = 362,174,026.25
  5. Step 5: Solve for x
    x = 362,174,026.25/22,000.62
  6. Step 6: Final answer
    x = 16,461.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.