Home / 14,338.40-19,783.76-8,050.36

Finding the Fourth Proportional to 14,338.40, 19,783.76 and 8,050.36

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Solution

The fourth proportional to 14,338.40, 19,783.76 and 8,050.36 is: 11,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.40 : 19,783.76 = 8,050.36 : x
  2. Step 2: Convert to fraction form
    14,338.40/19,783.76 = 8,050.36/x
  3. Step 3: Cross multiply
    14,338.40x = 19,783.76 × 8,050.36
  4. Step 4: Simplify right side
    14,338.40x = 159,266,390.15
  5. Step 5: Solve for x
    x = 159,266,390.15/14,338.40
  6. Step 6: Final answer
    x = 11,107.68

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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.