Home / 19,195.16-28,727.70-11,804.30

Finding the Fourth Proportional to 19,195.16, 28,727.70 and 11,804.30

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Solution

The fourth proportional to 19,195.16, 28,727.70 and 11,804.30 is: 17,666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.16 : 28,727.70 = 11,804.30 : x
  2. Step 2: Convert to fraction form
    19,195.16/28,727.70 = 11,804.30/x
  3. Step 3: Cross multiply
    19,195.16x = 28,727.70 × 11,804.30
  4. Step 4: Simplify right side
    19,195.16x = 339,110,389.11
  5. Step 5: Solve for x
    x = 339,110,389.11/19,195.16
  6. Step 6: Final answer
    x = 17,666.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.