Home / 14,120.06-19,485.55-7,746.52

Finding the Fourth Proportional to 14,120.06, 19,485.55 and 7,746.52

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Solution

The fourth proportional to 14,120.06, 19,485.55 and 7,746.52 is: 10,690.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.06 : 19,485.55 = 7,746.52 : x
  2. Step 2: Convert to fraction form
    14,120.06/19,485.55 = 7,746.52/x
  3. Step 3: Cross multiply
    14,120.06x = 19,485.55 × 7,746.52
  4. Step 4: Simplify right side
    14,120.06x = 150,945,202.79
  5. Step 5: Solve for x
    x = 150,945,202.79/14,120.06
  6. Step 6: Final answer
    x = 10,690.12

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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.