Home / 14,419.54-19,902.15-9,374.98

Finding the Fourth Proportional to 14,419.54, 19,902.15 and 9,374.98

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Solution

The fourth proportional to 14,419.54, 19,902.15 and 9,374.98 is: 12,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.54 : 19,902.15 = 9,374.98 : x
  2. Step 2: Convert to fraction form
    14,419.54/19,902.15 = 9,374.98/x
  3. Step 3: Cross multiply
    14,419.54x = 19,902.15 × 9,374.98
  4. Step 4: Simplify right side
    14,419.54x = 186,582,258.21
  5. Step 5: Solve for x
    x = 186,582,258.21/14,419.54
  6. Step 6: Final answer
    x = 12,939.54

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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.