Home / 14,042.40-21,056.54-4,679.14

Finding the Fourth Proportional to 14,042.40, 21,056.54 and 4,679.14

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Solution

The fourth proportional to 14,042.40, 21,056.54 and 4,679.14 is: 7,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.40 : 21,056.54 = 4,679.14 : x
  2. Step 2: Convert to fraction form
    14,042.40/21,056.54 = 4,679.14/x
  3. Step 3: Cross multiply
    14,042.40x = 21,056.54 × 4,679.14
  4. Step 4: Simplify right side
    14,042.40x = 98,526,393.29
  5. Step 5: Solve for x
    x = 98,526,393.29/14,042.40
  6. Step 6: Final answer
    x = 7,016.35

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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.