Home / 15,846.42-21,864.78-10,743.74

Finding the Fourth Proportional to 15,846.42, 21,864.78 and 10,743.74

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Solution

The fourth proportional to 15,846.42, 21,864.78 and 10,743.74 is: 14,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,846.42 : 21,864.78 = 10,743.74 : x
  2. Step 2: Convert to fraction form
    15,846.42/21,864.78 = 10,743.74/x
  3. Step 3: Cross multiply
    15,846.42x = 21,864.78 × 10,743.74
  4. Step 4: Simplify right side
    15,846.42x = 234,909,511.48
  5. Step 5: Solve for x
    x = 234,909,511.48/15,846.42
  6. Step 6: Final answer
    x = 14,824.14

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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.