Home / 22,808.96-31,477.20-12,600.08

Finding the Fourth Proportional to 22,808.96, 31,477.20 and 12,600.08

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Solution

The fourth proportional to 22,808.96, 31,477.20 and 12,600.08 is: 17,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,808.96 : 31,477.20 = 12,600.08 : x
  2. Step 2: Convert to fraction form
    22,808.96/31,477.20 = 12,600.08/x
  3. Step 3: Cross multiply
    22,808.96x = 31,477.20 × 12,600.08
  4. Step 4: Simplify right side
    22,808.96x = 396,615,238.18
  5. Step 5: Solve for x
    x = 396,615,238.18/22,808.96
  6. Step 6: Final answer
    x = 17,388.57

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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.