Home / 22,838.40-34,225.60-18,166.40

Finding the Fourth Proportional to 22,838.40, 34,225.60 and 18,166.40

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Solution

The fourth proportional to 22,838.40, 34,225.60 and 18,166.40 is: 27,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,838.40 : 34,225.60 = 18,166.40 : x
  2. Step 2: Convert to fraction form
    22,838.40/34,225.60 = 18,166.40/x
  3. Step 3: Cross multiply
    22,838.40x = 34,225.60 × 18,166.40
  4. Step 4: Simplify right side
    22,838.40x = 621,755,939.84
  5. Step 5: Solve for x
    x = 621,755,939.84/22,838.40
  6. Step 6: Final answer
    x = 27,224.15

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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.