Home / 19,265-26,586.34-11,811.56

Finding the Fourth Proportional to 19,265, 26,586.34 and 11,811.56

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Solution

The fourth proportional to 19,265, 26,586.34 and 11,811.56 is: 16,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265 : 26,586.34 = 11,811.56 : x
  2. Step 2: Convert to fraction form
    19,265/26,586.34 = 11,811.56/x
  3. Step 3: Cross multiply
    19,265x = 26,586.34 × 11,811.56
  4. Step 4: Simplify right side
    19,265x = 314,026,150.09
  5. Step 5: Solve for x
    x = 314,026,150.09/19,265
  6. Step 6: Final answer
    x = 16,300.35

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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.