Home / 13,762.53-18,983.84-11,998.35

Finding the Fourth Proportional to 13,762.53, 18,983.84 and 11,998.35

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Solution

The fourth proportional to 13,762.53, 18,983.84 and 11,998.35 is: 16,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.53 : 18,983.84 = 11,998.35 : x
  2. Step 2: Convert to fraction form
    13,762.53/18,983.84 = 11,998.35/x
  3. Step 3: Cross multiply
    13,762.53x = 18,983.84 × 11,998.35
  4. Step 4: Simplify right side
    13,762.53x = 227,774,696.67
  5. Step 5: Solve for x
    x = 227,774,696.67/13,762.53
  6. Step 6: Final answer
    x = 16,550.35

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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.