Home / 14,712.48-20,303.62-7,998.56

Finding the Fourth Proportional to 14,712.48, 20,303.62 and 7,998.56

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Solution

The fourth proportional to 14,712.48, 20,303.62 and 7,998.56 is: 11,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.48 : 20,303.62 = 7,998.56 : x
  2. Step 2: Convert to fraction form
    14,712.48/20,303.62 = 7,998.56/x
  3. Step 3: Cross multiply
    14,712.48x = 20,303.62 × 7,998.56
  4. Step 4: Simplify right side
    14,712.48x = 162,399,722.79
  5. Step 5: Solve for x
    x = 162,399,722.79/14,712.48
  6. Step 6: Final answer
    x = 11,038.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.