Home / 13,916.24-19,199.56-7,943.56

Finding the Fourth Proportional to 13,916.24, 19,199.56 and 7,943.56

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Solution

The fourth proportional to 13,916.24, 19,199.56 and 7,943.56 is: 10,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.24 : 19,199.56 = 7,943.56 : x
  2. Step 2: Convert to fraction form
    13,916.24/19,199.56 = 7,943.56/x
  3. Step 3: Cross multiply
    13,916.24x = 19,199.56 × 7,943.56
  4. Step 4: Simplify right side
    13,916.24x = 152,512,856.83
  5. Step 5: Solve for x
    x = 152,512,856.83/13,916.24
  6. Step 6: Final answer
    x = 10,959.34

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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.