Home / 23,068.98-31,850.58-13,640.58

Finding the Fourth Proportional to 23,068.98, 31,850.58 and 13,640.58

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Solution

The fourth proportional to 23,068.98, 31,850.58 and 13,640.58 is: 18,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,068.98 : 31,850.58 = 13,640.58 : x
  2. Step 2: Convert to fraction form
    23,068.98/31,850.58 = 13,640.58/x
  3. Step 3: Cross multiply
    23,068.98x = 31,850.58 × 13,640.58
  4. Step 4: Simplify right side
    23,068.98x = 434,460,384.54
  5. Step 5: Solve for x
    x = 434,460,384.54/23,068.98
  6. Step 6: Final answer
    x = 18,833.10

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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.