Home / 13,054.59-18,017.64-7,751.25

Finding the Fourth Proportional to 13,054.59, 18,017.64 and 7,751.25

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Solution

The fourth proportional to 13,054.59, 18,017.64 and 7,751.25 is: 10,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.59 : 18,017.64 = 7,751.25 : x
  2. Step 2: Convert to fraction form
    13,054.59/18,017.64 = 7,751.25/x
  3. Step 3: Cross multiply
    13,054.59x = 18,017.64 × 7,751.25
  4. Step 4: Simplify right side
    13,054.59x = 139,659,232.05
  5. Step 5: Solve for x
    x = 139,659,232.05/13,054.59
  6. Step 6: Final answer
    x = 10,698.09

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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.