Home / 14,246.31-21,371.55-4,386.45

Finding the Fourth Proportional to 14,246.31, 21,371.55 and 4,386.45

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Solution

The fourth proportional to 14,246.31, 21,371.55 and 4,386.45 is: 6,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.31 : 21,371.55 = 4,386.45 : x
  2. Step 2: Convert to fraction form
    14,246.31/21,371.55 = 4,386.45/x
  3. Step 3: Cross multiply
    14,246.31x = 21,371.55 × 4,386.45
  4. Step 4: Simplify right side
    14,246.31x = 93,745,235.50
  5. Step 5: Solve for x
    x = 93,745,235.50/14,246.31
  6. Step 6: Final answer
    x = 6,580.32

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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.