Home / 18,320.68-27,348.37-16,951.08

Finding the Fourth Proportional to 18,320.68, 27,348.37 and 16,951.08

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Solution

The fourth proportional to 18,320.68, 27,348.37 and 16,951.08 is: 25,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.68 : 27,348.37 = 16,951.08 : x
  2. Step 2: Convert to fraction form
    18,320.68/27,348.37 = 16,951.08/x
  3. Step 3: Cross multiply
    18,320.68x = 27,348.37 × 16,951.08
  4. Step 4: Simplify right side
    18,320.68x = 463,584,407.74
  5. Step 5: Solve for x
    x = 463,584,407.74/18,320.68
  6. Step 6: Final answer
    x = 25,303.89

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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.