Home / 17,685.42-24,415.98-11,725.17

Finding the Fourth Proportional to 17,685.42, 24,415.98 and 11,725.17

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Solution

The fourth proportional to 17,685.42, 24,415.98 and 11,725.17 is: 16,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.42 : 24,415.98 = 11,725.17 : x
  2. Step 2: Convert to fraction form
    17,685.42/24,415.98 = 11,725.17/x
  3. Step 3: Cross multiply
    17,685.42x = 24,415.98 × 11,725.17
  4. Step 4: Simplify right side
    17,685.42x = 286,281,516.22
  5. Step 5: Solve for x
    x = 286,281,516.22/17,685.42
  6. Step 6: Final answer
    x = 16,187.43

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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.