Home / 12,983.96-19,473.20-4,664.45

Finding the Fourth Proportional to 12,983.96, 19,473.20 and 4,664.45

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Solution

The fourth proportional to 12,983.96, 19,473.20 and 4,664.45 is: 6,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983.96 : 19,473.20 = 4,664.45 : x
  2. Step 2: Convert to fraction form
    12,983.96/19,473.20 = 4,664.45/x
  3. Step 3: Cross multiply
    12,983.96x = 19,473.20 × 4,664.45
  4. Step 4: Simplify right side
    12,983.96x = 90,831,767.74
  5. Step 5: Solve for x
    x = 90,831,767.74/12,983.96
  6. Step 6: Final answer
    x = 6,995.69

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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.