Home / 13,509.16-18,599.54-11,828.82

Finding the Fourth Proportional to 13,509.16, 18,599.54 and 11,828.82

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Solution

The fourth proportional to 13,509.16, 18,599.54 and 11,828.82 is: 16,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509.16 : 18,599.54 = 11,828.82 : x
  2. Step 2: Convert to fraction form
    13,509.16/18,599.54 = 11,828.82/x
  3. Step 3: Cross multiply
    13,509.16x = 18,599.54 × 11,828.82
  4. Step 4: Simplify right side
    13,509.16x = 220,010,610.74
  5. Step 5: Solve for x
    x = 220,010,610.74/13,509.16
  6. Step 6: Final answer
    x = 16,286.03

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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.