Home / 19,160.79-26,433.86-12,448.95

Finding the Fourth Proportional to 19,160.79, 26,433.86 and 12,448.95

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Solution

The fourth proportional to 19,160.79, 26,433.86 and 12,448.95 is: 17,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.79 : 26,433.86 = 12,448.95 : x
  2. Step 2: Convert to fraction form
    19,160.79/26,433.86 = 12,448.95/x
  3. Step 3: Cross multiply
    19,160.79x = 26,433.86 × 12,448.95
  4. Step 4: Simplify right side
    19,160.79x = 329,073,739.20
  5. Step 5: Solve for x
    x = 329,073,739.20/19,160.79
  6. Step 6: Final answer
    x = 17,174.33

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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.