Home / 14,094.28-19,448.76-8,427.90

Finding the Fourth Proportional to 14,094.28, 19,448.76 and 8,427.90

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Solution

The fourth proportional to 14,094.28, 19,448.76 and 8,427.90 is: 11,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.28 : 19,448.76 = 8,427.90 : x
  2. Step 2: Convert to fraction form
    14,094.28/19,448.76 = 8,427.90/x
  3. Step 3: Cross multiply
    14,094.28x = 19,448.76 × 8,427.90
  4. Step 4: Simplify right side
    14,094.28x = 163,912,204.40
  5. Step 5: Solve for x
    x = 163,912,204.40/14,094.28
  6. Step 6: Final answer
    x = 11,629.70

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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.