Home / 22,148.58-33,231.51-12,783.66

Finding the Fourth Proportional to 22,148.58, 33,231.51 and 12,783.66

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Solution

The fourth proportional to 22,148.58, 33,231.51 and 12,783.66 is: 19,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.58 : 33,231.51 = 12,783.66 : x
  2. Step 2: Convert to fraction form
    22,148.58/33,231.51 = 12,783.66/x
  3. Step 3: Cross multiply
    22,148.58x = 33,231.51 × 12,783.66
  4. Step 4: Simplify right side
    22,148.58x = 424,820,325.13
  5. Step 5: Solve for x
    x = 424,820,325.13/22,148.58
  6. Step 6: Final answer
    x = 19,180.48

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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.