Home / 19,001.57-26,221.66-10,503.09

Finding the Fourth Proportional to 19,001.57, 26,221.66 and 10,503.09

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Solution

The fourth proportional to 19,001.57, 26,221.66 and 10,503.09 is: 14,493.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.57 : 26,221.66 = 10,503.09 : x
  2. Step 2: Convert to fraction form
    19,001.57/26,221.66 = 10,503.09/x
  3. Step 3: Cross multiply
    19,001.57x = 26,221.66 × 10,503.09
  4. Step 4: Simplify right side
    19,001.57x = 275,408,428.67
  5. Step 5: Solve for x
    x = 275,408,428.67/19,001.57
  6. Step 6: Final answer
    x = 14,493.99

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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.