Home / 15,922.14-21,982.50-10,259.70

Finding the Fourth Proportional to 15,922.14, 21,982.50 and 10,259.70

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Solution

The fourth proportional to 15,922.14, 21,982.50 and 10,259.70 is: 14,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.14 : 21,982.50 = 10,259.70 : x
  2. Step 2: Convert to fraction form
    15,922.14/21,982.50 = 10,259.70/x
  3. Step 3: Cross multiply
    15,922.14x = 21,982.50 × 10,259.70
  4. Step 4: Simplify right side
    15,922.14x = 225,533,855.25
  5. Step 5: Solve for x
    x = 225,533,855.25/15,922.14
  6. Step 6: Final answer
    x = 14,164.80

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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.