Home / 19,166.19-28,749.41-6,686.16

Finding the Fourth Proportional to 19,166.19, 28,749.41 and 6,686.16

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Solution

The fourth proportional to 19,166.19, 28,749.41 and 6,686.16 is: 10,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.19 : 28,749.41 = 6,686.16 : x
  2. Step 2: Convert to fraction form
    19,166.19/28,749.41 = 6,686.16/x
  3. Step 3: Cross multiply
    19,166.19x = 28,749.41 × 6,686.16
  4. Step 4: Simplify right side
    19,166.19x = 192,223,155.17
  5. Step 5: Solve for x
    x = 192,223,155.17/19,166.19
  6. Step 6: Final answer
    x = 10,029.28

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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.