Home / 14,315.76-21,483.66-9,644.69

Finding the Fourth Proportional to 14,315.76, 21,483.66 and 9,644.69

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Solution

The fourth proportional to 14,315.76, 21,483.66 and 9,644.69 is: 14,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.76 : 21,483.66 = 9,644.69 : x
  2. Step 2: Convert to fraction form
    14,315.76/21,483.66 = 9,644.69/x
  3. Step 3: Cross multiply
    14,315.76x = 21,483.66 × 9,644.69
  4. Step 4: Simplify right side
    14,315.76x = 207,203,133.35
  5. Step 5: Solve for x
    x = 207,203,133.35/14,315.76
  6. Step 6: Final answer
    x = 14,473.78

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1.5x scale

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.