Home / 25,731.71-35,510.39-14,401.11

Finding the Fourth Proportional to 25,731.71, 35,510.39 and 14,401.11

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Solution

The fourth proportional to 25,731.71, 35,510.39 and 14,401.11 is: 19,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.71 : 35,510.39 = 14,401.11 : x
  2. Step 2: Convert to fraction form
    25,731.71/35,510.39 = 14,401.11/x
  3. Step 3: Cross multiply
    25,731.71x = 35,510.39 × 14,401.11
  4. Step 4: Simplify right side
    25,731.71x = 511,388,960.53
  5. Step 5: Solve for x
    x = 511,388,960.53/25,731.71
  6. Step 6: Final answer
    x = 19,873.89

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1.5x scale

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.