Home / 15,779.23-23,671.31-4,687.02

Finding the Fourth Proportional to 15,779.23, 23,671.31 and 4,687.02

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Solution

The fourth proportional to 15,779.23, 23,671.31 and 4,687.02 is: 7,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.23 : 23,671.31 = 4,687.02 : x
  2. Step 2: Convert to fraction form
    15,779.23/23,671.31 = 4,687.02/x
  3. Step 3: Cross multiply
    15,779.23x = 23,671.31 × 4,687.02
  4. Step 4: Simplify right side
    15,779.23x = 110,947,879.96
  5. Step 5: Solve for x
    x = 110,947,879.96/15,779.23
  6. Step 6: Final answer
    x = 7,031.26

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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.