Home / 17,871.30-24,606.32-15,176.90

Finding the Fourth Proportional to 17,871.30, 24,606.32 and 15,176.90

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Solution

The fourth proportional to 17,871.30, 24,606.32 and 15,176.90 is: 20,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.30 : 24,606.32 = 15,176.90 : x
  2. Step 2: Convert to fraction form
    17,871.30/24,606.32 = 15,176.90/x
  3. Step 3: Cross multiply
    17,871.30x = 24,606.32 × 15,176.90
  4. Step 4: Simplify right side
    17,871.30x = 373,447,643.64
  5. Step 5: Solve for x
    x = 373,447,643.64/17,871.30
  6. Step 6: Final answer
    x = 20,896.50

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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.