Home / 22,141.10-30,492.51-21,657.26

Finding the Fourth Proportional to 22,141.10, 30,492.51 and 21,657.26

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Solution

The fourth proportional to 22,141.10, 30,492.51 and 21,657.26 is: 29,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,141.10 : 30,492.51 = 21,657.26 : x
  2. Step 2: Convert to fraction form
    22,141.10/30,492.51 = 21,657.26/x
  3. Step 3: Cross multiply
    22,141.10x = 30,492.51 × 21,657.26
  4. Step 4: Simplify right side
    22,141.10x = 660,384,217.12
  5. Step 5: Solve for x
    x = 660,384,217.12/22,141.10
  6. Step 6: Final answer
    x = 29,826.17

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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.