Home / 13,181.15-19,779.51-4,867.01

Finding the Fourth Proportional to 13,181.15, 19,779.51 and 4,867.01

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Solution

The fourth proportional to 13,181.15, 19,779.51 and 4,867.01 is: 7,303.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.15 : 19,779.51 = 4,867.01 : x
  2. Step 2: Convert to fraction form
    13,181.15/19,779.51 = 4,867.01/x
  3. Step 3: Cross multiply
    13,181.15x = 19,779.51 × 4,867.01
  4. Step 4: Simplify right side
    13,181.15x = 96,266,974.07
  5. Step 5: Solve for x
    x = 96,266,974.07/13,181.15
  6. Step 6: Final answer
    x = 7,303.38

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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.