Home / 14,301.74-19,735.86-7,928.60

Finding the Fourth Proportional to 14,301.74, 19,735.86 and 7,928.60

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Solution

The fourth proportional to 14,301.74, 19,735.86 and 7,928.60 is: 10,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.74 : 19,735.86 = 7,928.60 : x
  2. Step 2: Convert to fraction form
    14,301.74/19,735.86 = 7,928.60/x
  3. Step 3: Cross multiply
    14,301.74x = 19,735.86 × 7,928.60
  4. Step 4: Simplify right side
    14,301.74x = 156,477,739.60
  5. Step 5: Solve for x
    x = 156,477,739.60/14,301.74
  6. Step 6: Final answer
    x = 10,941.17

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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.