Home / 19,120.59-26,389.06-11,163.08

Finding the Fourth Proportional to 19,120.59, 26,389.06 and 11,163.08

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Solution

The fourth proportional to 19,120.59, 26,389.06 and 11,163.08 is: 15,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.59 : 26,389.06 = 11,163.08 : x
  2. Step 2: Convert to fraction form
    19,120.59/26,389.06 = 11,163.08/x
  3. Step 3: Cross multiply
    19,120.59x = 26,389.06 × 11,163.08
  4. Step 4: Simplify right side
    19,120.59x = 294,583,225.97
  5. Step 5: Solve for x
    x = 294,583,225.97/19,120.59
  6. Step 6: Final answer
    x = 15,406.60

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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.