Home / 17,916.99-26,876.31-6,821.22

Finding the Fourth Proportional to 17,916.99, 26,876.31 and 6,821.22

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Solution

The fourth proportional to 17,916.99, 26,876.31 and 6,821.22 is: 10,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.99 : 26,876.31 = 6,821.22 : x
  2. Step 2: Convert to fraction form
    17,916.99/26,876.31 = 6,821.22/x
  3. Step 3: Cross multiply
    17,916.99x = 26,876.31 × 6,821.22
  4. Step 4: Simplify right side
    17,916.99x = 183,329,223.30
  5. Step 5: Solve for x
    x = 183,329,223.30/17,916.99
  6. Step 6: Final answer
    x = 10,232.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.