Home / 17,664.64-24,378.42-11,685.94

Finding the Fourth Proportional to 17,664.64, 24,378.42 and 11,685.94

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Solution

The fourth proportional to 17,664.64, 24,378.42 and 11,685.94 is: 16,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,664.64 : 24,378.42 = 11,685.94 : x
  2. Step 2: Convert to fraction form
    17,664.64/24,378.42 = 11,685.94/x
  3. Step 3: Cross multiply
    17,664.64x = 24,378.42 × 11,685.94
  4. Step 4: Simplify right side
    17,664.64x = 284,884,753.41
  5. Step 5: Solve for x
    x = 284,884,753.41/17,664.64
  6. Step 6: Final answer
    x = 16,127.40

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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.