Home / 22,152.32-30,567.48-18,808.64

Finding the Fourth Proportional to 22,152.32, 30,567.48 and 18,808.64

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Solution

The fourth proportional to 22,152.32, 30,567.48 and 18,808.64 is: 25,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.32 : 30,567.48 = 18,808.64 : x
  2. Step 2: Convert to fraction form
    22,152.32/30,567.48 = 18,808.64/x
  3. Step 3: Cross multiply
    22,152.32x = 30,567.48 × 18,808.64
  4. Step 4: Simplify right side
    22,152.32x = 574,932,727.03
  5. Step 5: Solve for x
    x = 574,932,727.03/22,152.32
  6. Step 6: Final answer
    x = 25,953.61

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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.