Home / 20,587.24-28,410.96-11,634.56

Finding the Fourth Proportional to 20,587.24, 28,410.96 and 11,634.56

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Solution

The fourth proportional to 20,587.24, 28,410.96 and 11,634.56 is: 16,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587.24 : 28,410.96 = 11,634.56 : x
  2. Step 2: Convert to fraction form
    20,587.24/28,410.96 = 11,634.56/x
  3. Step 3: Cross multiply
    20,587.24x = 28,410.96 × 11,634.56
  4. Step 4: Simplify right side
    20,587.24x = 330,549,018.78
  5. Step 5: Solve for x
    x = 330,549,018.78/20,587.24
  6. Step 6: Final answer
    x = 16,056.01

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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.