Home / 19,811.95-29,569.07-17,131.68

Finding the Fourth Proportional to 19,811.95, 29,569.07 and 17,131.68

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Solution

The fourth proportional to 19,811.95, 29,569.07 and 17,131.68 is: 25,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.95 : 29,569.07 = 17,131.68 : x
  2. Step 2: Convert to fraction form
    19,811.95/29,569.07 = 17,131.68/x
  3. Step 3: Cross multiply
    19,811.95x = 29,569.07 × 17,131.68
  4. Step 4: Simplify right side
    19,811.95x = 506,567,887.97
  5. Step 5: Solve for x
    x = 506,567,887.97/19,811.95
  6. Step 6: Final answer
    x = 25,568.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.