Home / 19,145.49-26,421.57-10,647.57

Finding the Fourth Proportional to 19,145.49, 26,421.57 and 10,647.57

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Solution

The fourth proportional to 19,145.49, 26,421.57 and 10,647.57 is: 14,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.49 : 26,421.57 = 10,647.57 : x
  2. Step 2: Convert to fraction form
    19,145.49/26,421.57 = 10,647.57/x
  3. Step 3: Cross multiply
    19,145.49x = 26,421.57 × 10,647.57
  4. Step 4: Simplify right side
    19,145.49x = 281,325,516.08
  5. Step 5: Solve for x
    x = 281,325,516.08/19,145.49
  6. Step 6: Final answer
    x = 14,694.09

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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.