Home / 19,422.55-26,802.98-11,039.05

Finding the Fourth Proportional to 19,422.55, 26,802.98 and 11,039.05

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Solution

The fourth proportional to 19,422.55, 26,802.98 and 11,039.05 is: 15,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.55 : 26,802.98 = 11,039.05 : x
  2. Step 2: Convert to fraction form
    19,422.55/26,802.98 = 11,039.05/x
  3. Step 3: Cross multiply
    19,422.55x = 26,802.98 × 11,039.05
  4. Step 4: Simplify right side
    19,422.55x = 295,879,314.17
  5. Step 5: Solve for x
    x = 295,879,314.17/19,422.55
  6. Step 6: Final answer
    x = 15,233.81

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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.