Home / 15,871.10-23,798.96-4,775.72

Finding the Fourth Proportional to 15,871.10, 23,798.96 and 4,775.72

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Solution

The fourth proportional to 15,871.10, 23,798.96 and 4,775.72 is: 7,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871.10 : 23,798.96 = 4,775.72 : x
  2. Step 2: Convert to fraction form
    15,871.10/23,798.96 = 4,775.72/x
  3. Step 3: Cross multiply
    15,871.10x = 23,798.96 × 4,775.72
  4. Step 4: Simplify right side
    15,871.10x = 113,657,145.37
  5. Step 5: Solve for x
    x = 113,657,145.37/15,871.10
  6. Step 6: Final answer
    x = 7,161.26

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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.