Home / 13,054.53-18,014.76-7,086.07

Finding the Fourth Proportional to 13,054.53, 18,014.76 and 7,086.07

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Solution

The fourth proportional to 13,054.53, 18,014.76 and 7,086.07 is: 9,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.53 : 18,014.76 = 7,086.07 : x
  2. Step 2: Convert to fraction form
    13,054.53/18,014.76 = 7,086.07/x
  3. Step 3: Cross multiply
    13,054.53x = 18,014.76 × 7,086.07
  4. Step 4: Simplify right side
    13,054.53x = 127,653,899.48
  5. Step 5: Solve for x
    x = 127,653,899.48/13,054.53
  6. Step 6: Final answer
    x = 9,778.51

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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.