Home / 18,795.79-25,939.20-10,838.35

Finding the Fourth Proportional to 18,795.79, 25,939.20 and 10,838.35

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Solution

The fourth proportional to 18,795.79, 25,939.20 and 10,838.35 is: 14,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.79 : 25,939.20 = 10,838.35 : x
  2. Step 2: Convert to fraction form
    18,795.79/25,939.20 = 10,838.35/x
  3. Step 3: Cross multiply
    18,795.79x = 25,939.20 × 10,838.35
  4. Step 4: Simplify right side
    18,795.79x = 281,138,128.32
  5. Step 5: Solve for x
    x = 281,138,128.32/18,795.79
  6. Step 6: Final answer
    x = 14,957.51

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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.