Home / 13,696.40-20,547.67-4,336.98

Finding the Fourth Proportional to 13,696.40, 20,547.67 and 4,336.98

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Solution

The fourth proportional to 13,696.40, 20,547.67 and 4,336.98 is: 6,506.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.40 : 20,547.67 = 4,336.98 : x
  2. Step 2: Convert to fraction form
    13,696.40/20,547.67 = 4,336.98/x
  3. Step 3: Cross multiply
    13,696.40x = 20,547.67 × 4,336.98
  4. Step 4: Simplify right side
    13,696.40x = 89,114,833.84
  5. Step 5: Solve for x
    x = 89,114,833.84/13,696.40
  6. Step 6: Final answer
    x = 6,506.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.