Home / 20,735.24-28,614.06-11,303.80

Finding the Fourth Proportional to 20,735.24, 28,614.06 and 11,303.80

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Solution

The fourth proportional to 20,735.24, 28,614.06 and 11,303.80 is: 15,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735.24 : 28,614.06 = 11,303.80 : x
  2. Step 2: Convert to fraction form
    20,735.24/28,614.06 = 11,303.80/x
  3. Step 3: Cross multiply
    20,735.24x = 28,614.06 × 11,303.80
  4. Step 4: Simplify right side
    20,735.24x = 323,447,611.43
  5. Step 5: Solve for x
    x = 323,447,611.43/20,735.24
  6. Step 6: Final answer
    x = 15,598.93

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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.