Home / 25,583.04-38,398.32-13,111.98

Finding the Fourth Proportional to 25,583.04, 38,398.32 and 13,111.98

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Solution

The fourth proportional to 25,583.04, 38,398.32 and 13,111.98 is: 19,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,583.04 : 38,398.32 = 13,111.98 : x
  2. Step 2: Convert to fraction form
    25,583.04/38,398.32 = 13,111.98/x
  3. Step 3: Cross multiply
    25,583.04x = 38,398.32 × 13,111.98
  4. Step 4: Simplify right side
    25,583.04x = 503,478,003.87
  5. Step 5: Solve for x
    x = 503,478,003.87/25,583.04
  6. Step 6: Final answer
    x = 19,680.15

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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.