Home / 22,148.24-30,564.12-12,212.24

Finding the Fourth Proportional to 22,148.24, 30,564.12 and 12,212.24

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Solution

The fourth proportional to 22,148.24, 30,564.12 and 12,212.24 is: 16,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.24 : 30,564.12 = 12,212.24 : x
  2. Step 2: Convert to fraction form
    22,148.24/30,564.12 = 12,212.24/x
  3. Step 3: Cross multiply
    22,148.24x = 30,564.12 × 12,212.24
  4. Step 4: Simplify right side
    22,148.24x = 373,256,368.83
  5. Step 5: Solve for x
    x = 373,256,368.83/22,148.24
  6. Step 6: Final answer
    x = 16,852.64

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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.