Home / 19,221.88-26,525.59-11,269.40

Finding the Fourth Proportional to 19,221.88, 26,525.59 and 11,269.40

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Solution

The fourth proportional to 19,221.88, 26,525.59 and 11,269.40 is: 15,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.88 : 26,525.59 = 11,269.40 : x
  2. Step 2: Convert to fraction form
    19,221.88/26,525.59 = 11,269.40/x
  3. Step 3: Cross multiply
    19,221.88x = 26,525.59 × 11,269.40
  4. Step 4: Simplify right side
    19,221.88x = 298,927,483.95
  5. Step 5: Solve for x
    x = 298,927,483.95/19,221.88
  6. Step 6: Final answer
    x = 15,551.42

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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.