Home / 15,729.75-23,595.98-5,199.75

Finding the Fourth Proportional to 15,729.75, 23,595.98 and 5,199.75

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Solution

The fourth proportional to 15,729.75, 23,595.98 and 5,199.75 is: 7,800.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.75 : 23,595.98 = 5,199.75 : x
  2. Step 2: Convert to fraction form
    15,729.75/23,595.98 = 5,199.75/x
  3. Step 3: Cross multiply
    15,729.75x = 23,595.98 × 5,199.75
  4. Step 4: Simplify right side
    15,729.75x = 122,693,171.01
  5. Step 5: Solve for x
    x = 122,693,171.01/15,729.75
  6. Step 6: Final answer
    x = 7,800.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.