Home / 18,725.40-27,966.57-16,966.92

Finding the Fourth Proportional to 18,725.40, 27,966.57 and 16,966.92

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Solution

The fourth proportional to 18,725.40, 27,966.57 and 16,966.92 is: 25,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.40 : 27,966.57 = 16,966.92 : x
  2. Step 2: Convert to fraction form
    18,725.40/27,966.57 = 16,966.92/x
  3. Step 3: Cross multiply
    18,725.40x = 27,966.57 × 16,966.92
  4. Step 4: Simplify right side
    18,725.40x = 474,506,555.86
  5. Step 5: Solve for x
    x = 474,506,555.86/18,725.40
  6. Step 6: Final answer
    x = 25,340.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.