Home / 14,266.96-19,693.82-12,772.20

Finding the Fourth Proportional to 14,266.96, 19,693.82 and 12,772.20

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Solution

The fourth proportional to 14,266.96, 19,693.82 and 12,772.20 is: 17,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.96 : 19,693.82 = 12,772.20 : x
  2. Step 2: Convert to fraction form
    14,266.96/19,693.82 = 12,772.20/x
  3. Step 3: Cross multiply
    14,266.96x = 19,693.82 × 12,772.20
  4. Step 4: Simplify right side
    14,266.96x = 251,533,407.80
  5. Step 5: Solve for x
    x = 251,533,407.80/14,266.96
  6. Step 6: Final answer
    x = 17,630.48

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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.