Home / 19,172.84-26,458.31-10,674.78

Finding the Fourth Proportional to 19,172.84, 26,458.31 and 10,674.78

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Solution

The fourth proportional to 19,172.84, 26,458.31 and 10,674.78 is: 14,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.84 : 26,458.31 = 10,674.78 : x
  2. Step 2: Convert to fraction form
    19,172.84/26,458.31 = 10,674.78/x
  3. Step 3: Cross multiply
    19,172.84x = 26,458.31 × 10,674.78
  4. Step 4: Simplify right side
    19,172.84x = 282,436,485.83
  5. Step 5: Solve for x
    x = 282,436,485.83/19,172.84
  6. Step 6: Final answer
    x = 14,731.07

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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.