Home / 19,153.68-26,428.16-11,194.34

Finding the Fourth Proportional to 19,153.68, 26,428.16 and 11,194.34

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Solution

The fourth proportional to 19,153.68, 26,428.16 and 11,194.34 is: 15,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.68 : 26,428.16 = 11,194.34 : x
  2. Step 2: Convert to fraction form
    19,153.68/26,428.16 = 11,194.34/x
  3. Step 3: Cross multiply
    19,153.68x = 26,428.16 × 11,194.34
  4. Step 4: Simplify right side
    19,153.68x = 295,845,808.61
  5. Step 5: Solve for x
    x = 295,845,808.61/19,153.68
  6. Step 6: Final answer
    x = 15,445.90

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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.