Home / 13,267.07-19,888.15-4,495.79

Finding the Fourth Proportional to 13,267.07, 19,888.15 and 4,495.79

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Solution

The fourth proportional to 13,267.07, 19,888.15 and 4,495.79 is: 6,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.07 : 19,888.15 = 4,495.79 : x
  2. Step 2: Convert to fraction form
    13,267.07/19,888.15 = 4,495.79/x
  3. Step 3: Cross multiply
    13,267.07x = 19,888.15 × 4,495.79
  4. Step 4: Simplify right side
    13,267.07x = 89,412,945.89
  5. Step 5: Solve for x
    x = 89,412,945.89/13,267.07
  6. Step 6: Final answer
    x = 6,739.46

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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.