Home / 14,385.75-21,547.31-6,974.52

Finding the Fourth Proportional to 14,385.75, 21,547.31 and 6,974.52

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Solution

The fourth proportional to 14,385.75, 21,547.31 and 6,974.52 is: 10,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.75 : 21,547.31 = 6,974.52 : x
  2. Step 2: Convert to fraction form
    14,385.75/21,547.31 = 6,974.52/x
  3. Step 3: Cross multiply
    14,385.75x = 21,547.31 × 6,974.52
  4. Step 4: Simplify right side
    14,385.75x = 150,282,109.67
  5. Step 5: Solve for x
    x = 150,282,109.67/14,385.75
  6. Step 6: Final answer
    x = 10,446.60

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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.