Home / 13,574.10-20,370.77-6,179.51

Finding the Fourth Proportional to 13,574.10, 20,370.77 and 6,179.51

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Solution

The fourth proportional to 13,574.10, 20,370.77 and 6,179.51 is: 9,273.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.10 : 20,370.77 = 6,179.51 : x
  2. Step 2: Convert to fraction form
    13,574.10/20,370.77 = 6,179.51/x
  3. Step 3: Cross multiply
    13,574.10x = 20,370.77 × 6,179.51
  4. Step 4: Simplify right side
    13,574.10x = 125,881,376.92
  5. Step 5: Solve for x
    x = 125,881,376.92/13,574.10
  6. Step 6: Final answer
    x = 9,273.64

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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.