Home / 18,696.30-25,801.47-10,740.12

Finding the Fourth Proportional to 18,696.30, 25,801.47 and 10,740.12

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Solution

The fourth proportional to 18,696.30, 25,801.47 and 10,740.12 is: 14,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.30 : 25,801.47 = 10,740.12 : x
  2. Step 2: Convert to fraction form
    18,696.30/25,801.47 = 10,740.12/x
  3. Step 3: Cross multiply
    18,696.30x = 25,801.47 × 10,740.12
  4. Step 4: Simplify right side
    18,696.30x = 277,110,883.98
  5. Step 5: Solve for x
    x = 277,110,883.98/18,696.30
  6. Step 6: Final answer
    x = 14,821.70

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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.