Home / 13,926.59-20,907.69-11,964.77

Finding the Fourth Proportional to 13,926.59, 20,907.69 and 11,964.77

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Solution

The fourth proportional to 13,926.59, 20,907.69 and 11,964.77 is: 17,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.59 : 20,907.69 = 11,964.77 : x
  2. Step 2: Convert to fraction form
    13,926.59/20,907.69 = 11,964.77/x
  3. Step 3: Cross multiply
    13,926.59x = 20,907.69 × 11,964.77
  4. Step 4: Simplify right side
    13,926.59x = 250,155,702.08
  5. Step 5: Solve for x
    x = 250,155,702.08/13,926.59
  6. Step 6: Final answer
    x = 17,962.45

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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.