Home / 17,184.21-23,657.12-15,412.74

Finding the Fourth Proportional to 17,184.21, 23,657.12 and 15,412.74

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Solution

The fourth proportional to 17,184.21, 23,657.12 and 15,412.74 is: 21,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,184.21 : 23,657.12 = 15,412.74 : x
  2. Step 2: Convert to fraction form
    17,184.21/23,657.12 = 15,412.74/x
  3. Step 3: Cross multiply
    17,184.21x = 23,657.12 × 15,412.74
  4. Step 4: Simplify right side
    17,184.21x = 364,620,962.65
  5. Step 5: Solve for x
    x = 364,620,962.65/17,184.21
  6. Step 6: Final answer
    x = 21,218.37

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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.