Home / 14,254.70-19,644.27-12,388.46

Finding the Fourth Proportional to 14,254.70, 19,644.27 and 12,388.46

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Solution

The fourth proportional to 14,254.70, 19,644.27 and 12,388.46 is: 17,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.70 : 19,644.27 = 12,388.46 : x
  2. Step 2: Convert to fraction form
    14,254.70/19,644.27 = 12,388.46/x
  3. Step 3: Cross multiply
    14,254.70x = 19,644.27 × 12,388.46
  4. Step 4: Simplify right side
    14,254.70x = 243,362,253.12
  5. Step 5: Solve for x
    x = 243,362,253.12/14,254.70
  6. Step 6: Final answer
    x = 17,072.42

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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.