Home / 14,335.40-19,779.63-8,047.37

Finding the Fourth Proportional to 14,335.40, 19,779.63 and 8,047.37

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Solution

The fourth proportional to 14,335.40, 19,779.63 and 8,047.37 is: 11,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.40 : 19,779.63 = 8,047.37 : x
  2. Step 2: Convert to fraction form
    14,335.40/19,779.63 = 8,047.37/x
  3. Step 3: Cross multiply
    14,335.40x = 19,779.63 × 8,047.37
  4. Step 4: Simplify right side
    14,335.40x = 159,173,902.17
  5. Step 5: Solve for x
    x = 159,173,902.17/14,335.40
  6. Step 6: Final answer
    x = 11,103.56

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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.