Home / 19,419.89-26,800.09-11,461.93

Finding the Fourth Proportional to 19,419.89, 26,800.09 and 11,461.93

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Solution

The fourth proportional to 19,419.89, 26,800.09 and 11,461.93 is: 15,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.89 : 26,800.09 = 11,461.93 : x
  2. Step 2: Convert to fraction form
    19,419.89/26,800.09 = 11,461.93/x
  3. Step 3: Cross multiply
    19,419.89x = 26,800.09 × 11,461.93
  4. Step 4: Simplify right side
    19,419.89x = 307,180,659.92
  5. Step 5: Solve for x
    x = 307,180,659.92/19,419.89
  6. Step 6: Final answer
    x = 15,817.84

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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.