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Finding the Fourth Proportional to 18,696.52, 25,802.58 and 10,739.08

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Solution

The fourth proportional to 18,696.52, 25,802.58 and 10,739.08 is: 14,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.52 : 25,802.58 = 10,739.08 : x
  2. Step 2: Convert to fraction form
    18,696.52/25,802.58 = 10,739.08/x
  3. Step 3: Cross multiply
    18,696.52x = 25,802.58 × 10,739.08
  4. Step 4: Simplify right side
    18,696.52x = 277,095,970.83
  5. Step 5: Solve for x
    x = 277,095,970.83/18,696.52
  6. Step 6: Final answer
    x = 14,820.72

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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.