Home / 18,538.04-25,570-11,467.96

Finding the Fourth Proportional to 18,538.04, 25,570 and 11,467.96

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Solution

The fourth proportional to 18,538.04, 25,570 and 11,467.96 is: 15,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.04 : 25,570 = 11,467.96 : x
  2. Step 2: Convert to fraction form
    18,538.04/25,570 = 11,467.96/x
  3. Step 3: Cross multiply
    18,538.04x = 25,570 × 11,467.96
  4. Step 4: Simplify right side
    18,538.04x = 293,235,737.20
  5. Step 5: Solve for x
    x = 293,235,737.20/18,538.04
  6. Step 6: Final answer
    x = 15,818.06

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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.