Home / 19,219.35-26,522.26-10,721.34

Finding the Fourth Proportional to 19,219.35, 26,522.26 and 10,721.34

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Solution

The fourth proportional to 19,219.35, 26,522.26 and 10,721.34 is: 14,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.35 : 26,522.26 = 10,721.34 : x
  2. Step 2: Convert to fraction form
    19,219.35/26,522.26 = 10,721.34/x
  3. Step 3: Cross multiply
    19,219.35x = 26,522.26 × 10,721.34
  4. Step 4: Simplify right side
    19,219.35x = 284,354,167.03
  5. Step 5: Solve for x
    x = 284,354,167.03/19,219.35
  6. Step 6: Final answer
    x = 14,795.20

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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.