Home / 18,725.84-25,843.02-10,770.56

Finding the Fourth Proportional to 18,725.84, 25,843.02 and 10,770.56

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Solution

The fourth proportional to 18,725.84, 25,843.02 and 10,770.56 is: 14,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.84 : 25,843.02 = 10,770.56 : x
  2. Step 2: Convert to fraction form
    18,725.84/25,843.02 = 10,770.56/x
  3. Step 3: Cross multiply
    18,725.84x = 25,843.02 × 10,770.56
  4. Step 4: Simplify right side
    18,725.84x = 278,343,797.49
  5. Step 5: Solve for x
    x = 278,343,797.49/18,725.84
  6. Step 6: Final answer
    x = 14,864.16

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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.