Home / 19,023.21-28,543.01-10,256.09

Finding the Fourth Proportional to 19,023.21, 28,543.01 and 10,256.09

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Solution

The fourth proportional to 19,023.21, 28,543.01 and 10,256.09 is: 15,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.21 : 28,543.01 = 10,256.09 : x
  2. Step 2: Convert to fraction form
    19,023.21/28,543.01 = 10,256.09/x
  3. Step 3: Cross multiply
    19,023.21x = 28,543.01 × 10,256.09
  4. Step 4: Simplify right side
    19,023.21x = 292,739,485.44
  5. Step 5: Solve for x
    x = 292,739,485.44/19,023.21
  6. Step 6: Final answer
    x = 15,388.54

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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.