Home / 22,000.27-30,360-12,440.01

Finding the Fourth Proportional to 22,000.27, 30,360 and 12,440.01

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Solution

The fourth proportional to 22,000.27, 30,360 and 12,440.01 is: 17,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.27 : 30,360 = 12,440.01 : x
  2. Step 2: Convert to fraction form
    22,000.27/30,360 = 12,440.01/x
  3. Step 3: Cross multiply
    22,000.27x = 30,360 × 12,440.01
  4. Step 4: Simplify right side
    22,000.27x = 377,678,703.60
  5. Step 5: Solve for x
    x = 377,678,703.60/22,000.27
  6. Step 6: Final answer
    x = 17,167.00

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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.