Home / 25,168.79-34,731.14-13,838.00

Finding the Fourth Proportional to 25,168.79, 34,731.14 and 13,838.00

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Solution

The fourth proportional to 25,168.79, 34,731.14 and 13,838.00 is: 19,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.79 : 34,731.14 = 13,838.00 : x
  2. Step 2: Convert to fraction form
    25,168.79/34,731.14 = 13,838.00/x
  3. Step 3: Cross multiply
    25,168.79x = 34,731.14 × 13,838.00
  4. Step 4: Simplify right side
    25,168.79x = 480,609,272.47
  5. Step 5: Solve for x
    x = 480,609,272.47/25,168.79
  6. Step 6: Final answer
    x = 19,095.45

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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.