Home / 23,447.37-35,335.65-21,109.71

Finding the Fourth Proportional to 23,447.37, 35,335.65 and 21,109.71

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Solution

The fourth proportional to 23,447.37, 35,335.65 and 21,109.71 is: 31,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,447.37 : 35,335.65 = 21,109.71 : x
  2. Step 2: Convert to fraction form
    23,447.37/35,335.65 = 21,109.71/x
  3. Step 3: Cross multiply
    23,447.37x = 35,335.65 × 21,109.71
  4. Step 4: Simplify right side
    23,447.37x = 745,925,324.16
  5. Step 5: Solve for x
    x = 745,925,324.16/23,447.37
  6. Step 6: Final answer
    x = 31,812.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.