Home / 19,130.25-26,395.65-11,168.87

Finding the Fourth Proportional to 19,130.25, 26,395.65 and 11,168.87

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Solution

The fourth proportional to 19,130.25, 26,395.65 and 11,168.87 is: 15,410.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.25 : 26,395.65 = 11,168.87 : x
  2. Step 2: Convert to fraction form
    19,130.25/26,395.65 = 11,168.87/x
  3. Step 3: Cross multiply
    19,130.25x = 26,395.65 × 11,168.87
  4. Step 4: Simplify right side
    19,130.25x = 294,809,451.44
  5. Step 5: Solve for x
    x = 294,809,451.44/19,130.25
  6. Step 6: Final answer
    x = 15,410.64

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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.