Home / 13,054.54-18,014.77-7,086.08

Finding the Fourth Proportional to 13,054.54, 18,014.77 and 7,086.08

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Solution

The fourth proportional to 13,054.54, 18,014.77 and 7,086.08 is: 9,778.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.54 : 18,014.77 = 7,086.08 : x
  2. Step 2: Convert to fraction form
    13,054.54/18,014.77 = 7,086.08/x
  3. Step 3: Cross multiply
    13,054.54x = 18,014.77 × 7,086.08
  4. Step 4: Simplify right side
    13,054.54x = 127,654,011.33
  5. Step 5: Solve for x
    x = 127,654,011.33/13,054.54
  6. Step 6: Final answer
    x = 9,778.52

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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.