Home / 19,509.34-26,922.89-11,125.84

Finding the Fourth Proportional to 19,509.34, 26,922.89 and 11,125.84

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Solution

The fourth proportional to 19,509.34, 26,922.89 and 11,125.84 is: 15,353.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.34 : 26,922.89 = 11,125.84 : x
  2. Step 2: Convert to fraction form
    19,509.34/26,922.89 = 11,125.84/x
  3. Step 3: Cross multiply
    19,509.34x = 26,922.89 × 11,125.84
  4. Step 4: Simplify right side
    19,509.34x = 299,539,766.48
  5. Step 5: Solve for x
    x = 299,539,766.48/19,509.34
  6. Step 6: Final answer
    x = 15,353.66

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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.