Home / 13,208.58-19,815.46-4,888.66

Finding the Fourth Proportional to 13,208.58, 19,815.46 and 4,888.66

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Solution

The fourth proportional to 13,208.58, 19,815.46 and 4,888.66 is: 7,333.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.58 : 19,815.46 = 4,888.66 : x
  2. Step 2: Convert to fraction form
    13,208.58/19,815.46 = 4,888.66/x
  3. Step 3: Cross multiply
    13,208.58x = 19,815.46 × 4,888.66
  4. Step 4: Simplify right side
    13,208.58x = 96,871,120.40
  5. Step 5: Solve for x
    x = 96,871,120.40/13,208.58
  6. Step 6: Final answer
    x = 7,333.96

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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.