Home / 14,078.04-19,427.49-7,704.48

Finding the Fourth Proportional to 14,078.04, 19,427.49 and 7,704.48

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Solution

The fourth proportional to 14,078.04, 19,427.49 and 7,704.48 is: 10,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.04 : 19,427.49 = 7,704.48 : x
  2. Step 2: Convert to fraction form
    14,078.04/19,427.49 = 7,704.48/x
  3. Step 3: Cross multiply
    14,078.04x = 19,427.49 × 7,704.48
  4. Step 4: Simplify right side
    14,078.04x = 149,678,708.16
  5. Step 5: Solve for x
    x = 149,678,708.16/14,078.04
  6. Step 6: Final answer
    x = 10,632.07

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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.