Home / 19,617.60-29,426.34-7,930.77

Finding the Fourth Proportional to 19,617.60, 29,426.34 and 7,930.77

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Solution

The fourth proportional to 19,617.60, 29,426.34 and 7,930.77 is: 11,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.60 : 29,426.34 = 7,930.77 : x
  2. Step 2: Convert to fraction form
    19,617.60/29,426.34 = 7,930.77/x
  3. Step 3: Cross multiply
    19,617.60x = 29,426.34 × 7,930.77
  4. Step 4: Simplify right side
    19,617.60x = 233,373,534.48
  5. Step 5: Solve for x
    x = 233,373,534.48/19,617.60
  6. Step 6: Final answer
    x = 11,896.13

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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.