Home / 19,483.16-26,887.38-11,100.20

Finding the Fourth Proportional to 19,483.16, 26,887.38 and 11,100.20

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Solution

The fourth proportional to 19,483.16, 26,887.38 and 11,100.20 is: 15,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.16 : 26,887.38 = 11,100.20 : x
  2. Step 2: Convert to fraction form
    19,483.16/26,887.38 = 11,100.20/x
  3. Step 3: Cross multiply
    19,483.16x = 26,887.38 × 11,100.20
  4. Step 4: Simplify right side
    19,483.16x = 298,455,295.48
  5. Step 5: Solve for x
    x = 298,455,295.48/19,483.16
  6. Step 6: Final answer
    x = 15,318.63

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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.