Home / 17,968.64-24,802.20-10,416.80

Finding the Fourth Proportional to 17,968.64, 24,802.20 and 10,416.80

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Solution

The fourth proportional to 17,968.64, 24,802.20 and 10,416.80 is: 14,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.64 : 24,802.20 = 10,416.80 : x
  2. Step 2: Convert to fraction form
    17,968.64/24,802.20 = 10,416.80/x
  3. Step 3: Cross multiply
    17,968.64x = 24,802.20 × 10,416.80
  4. Step 4: Simplify right side
    17,968.64x = 258,359,618.97
  5. Step 5: Solve for x
    x = 258,359,618.97/17,968.64
  6. Step 6: Final answer
    x = 14,378.37

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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.