Home / 18,795.64-25,939.04-10,731.68

Finding the Fourth Proportional to 18,795.64, 25,939.04 and 10,731.68

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Solution

The fourth proportional to 18,795.64, 25,939.04 and 10,731.68 is: 14,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.64 : 25,939.04 = 10,731.68 : x
  2. Step 2: Convert to fraction form
    18,795.64/25,939.04 = 10,731.68/x
  3. Step 3: Cross multiply
    18,795.64x = 25,939.04 × 10,731.68
  4. Step 4: Simplify right side
    18,795.64x = 278,369,476.79
  5. Step 5: Solve for x
    x = 278,369,476.79/18,795.64
  6. Step 6: Final answer
    x = 14,810.32

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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.