Home / 22,969.58-31,695.66-15,414.40

Finding the Fourth Proportional to 22,969.58, 31,695.66 and 15,414.40

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Solution

The fourth proportional to 22,969.58, 31,695.66 and 15,414.40 is: 21,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,969.58 : 31,695.66 = 15,414.40 : x
  2. Step 2: Convert to fraction form
    22,969.58/31,695.66 = 15,414.40/x
  3. Step 3: Cross multiply
    22,969.58x = 31,695.66 × 15,414.40
  4. Step 4: Simplify right side
    22,969.58x = 488,569,581.50
  5. Step 5: Solve for x
    x = 488,569,581.50/22,969.58
  6. Step 6: Final answer
    x = 21,270.29

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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.