Home / 19,447.95-26,879.58-17,144.31

Finding the Fourth Proportional to 19,447.95, 26,879.58 and 17,144.31

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Solution

The fourth proportional to 19,447.95, 26,879.58 and 17,144.31 is: 23,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.95 : 26,879.58 = 17,144.31 : x
  2. Step 2: Convert to fraction form
    19,447.95/26,879.58 = 17,144.31/x
  3. Step 3: Cross multiply
    19,447.95x = 26,879.58 × 17,144.31
  4. Step 4: Simplify right side
    19,447.95x = 460,831,852.19
  5. Step 5: Solve for x
    x = 460,831,852.19/19,447.95
  6. Step 6: Final answer
    x = 23,695.65

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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.