Home / 14,331.56-19,779.42-8,043.94

Finding the Fourth Proportional to 14,331.56, 19,779.42 and 8,043.94

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Solution

The fourth proportional to 14,331.56, 19,779.42 and 8,043.94 is: 11,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.56 : 19,779.42 = 8,043.94 : x
  2. Step 2: Convert to fraction form
    14,331.56/19,779.42 = 8,043.94/x
  3. Step 3: Cross multiply
    14,331.56x = 19,779.42 × 8,043.94
  4. Step 4: Simplify right side
    14,331.56x = 159,104,467.71
  5. Step 5: Solve for x
    x = 159,104,467.71/14,331.56
  6. Step 6: Final answer
    x = 11,101.69

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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.