Home / 17,218.14-23,686.47-15,084.06

Finding the Fourth Proportional to 17,218.14, 23,686.47 and 15,084.06

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Solution

The fourth proportional to 17,218.14, 23,686.47 and 15,084.06 is: 20,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.14 : 23,686.47 = 15,084.06 : x
  2. Step 2: Convert to fraction form
    17,218.14/23,686.47 = 15,084.06/x
  3. Step 3: Cross multiply
    17,218.14x = 23,686.47 × 15,084.06
  4. Step 4: Simplify right side
    17,218.14x = 357,288,134.67
  5. Step 5: Solve for x
    x = 357,288,134.67/17,218.14
  6. Step 6: Final answer
    x = 20,750.68

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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.