Home / 14,093.76-19,450.64-7,807.36

Finding the Fourth Proportional to 14,093.76, 19,450.64 and 7,807.36

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Solution

The fourth proportional to 14,093.76, 19,450.64 and 7,807.36 is: 10,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.76 : 19,450.64 = 7,807.36 : x
  2. Step 2: Convert to fraction form
    14,093.76/19,450.64 = 7,807.36/x
  3. Step 3: Cross multiply
    14,093.76x = 19,450.64 × 7,807.36
  4. Step 4: Simplify right side
    14,093.76x = 151,858,148.71
  5. Step 5: Solve for x
    x = 151,858,148.71/14,093.76
  6. Step 6: Final answer
    x = 10,774.85

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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.