Home / 14,985.73-22,478.56-14,072.28

Finding the Fourth Proportional to 14,985.73, 22,478.56 and 14,072.28

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Solution

The fourth proportional to 14,985.73, 22,478.56 and 14,072.28 is: 21,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.73 : 22,478.56 = 14,072.28 : x
  2. Step 2: Convert to fraction form
    14,985.73/22,478.56 = 14,072.28/x
  3. Step 3: Cross multiply
    14,985.73x = 22,478.56 × 14,072.28
  4. Step 4: Simplify right side
    14,985.73x = 316,324,676.44
  5. Step 5: Solve for x
    x = 316,324,676.44/14,985.73
  6. Step 6: Final answer
    x = 21,108.39

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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.