Home / 14,162.40-21,203.62-7,483.76

Finding the Fourth Proportional to 14,162.40, 21,203.62 and 7,483.76

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Solution

The fourth proportional to 14,162.40, 21,203.62 and 7,483.76 is: 11,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.40 : 21,203.62 = 7,483.76 : x
  2. Step 2: Convert to fraction form
    14,162.40/21,203.62 = 7,483.76/x
  3. Step 3: Cross multiply
    14,162.40x = 21,203.62 × 7,483.76
  4. Step 4: Simplify right side
    14,162.40x = 158,682,803.21
  5. Step 5: Solve for x
    x = 158,682,803.21/14,162.40
  6. Step 6: Final answer
    x = 11,204.51

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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.