Home / 13,326.04-18,379.87-9,498.79

Finding the Fourth Proportional to 13,326.04, 18,379.87 and 9,498.79

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Solution

The fourth proportional to 13,326.04, 18,379.87 and 9,498.79 is: 13,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.04 : 18,379.87 = 9,498.79 : x
  2. Step 2: Convert to fraction form
    13,326.04/18,379.87 = 9,498.79/x
  3. Step 3: Cross multiply
    13,326.04x = 18,379.87 × 9,498.79
  4. Step 4: Simplify right side
    13,326.04x = 174,586,525.36
  5. Step 5: Solve for x
    x = 174,586,525.36/13,326.04
  6. Step 6: Final answer
    x = 13,101.16

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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.