Home / 13,916.24-19,204.68-7,628.24

Finding the Fourth Proportional to 13,916.24, 19,204.68 and 7,628.24

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Solution

The fourth proportional to 13,916.24, 19,204.68 and 7,628.24 is: 10,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.24 : 19,204.68 = 7,628.24 : x
  2. Step 2: Convert to fraction form
    13,916.24/19,204.68 = 7,628.24/x
  3. Step 3: Cross multiply
    13,916.24x = 19,204.68 × 7,628.24
  4. Step 4: Simplify right side
    13,916.24x = 146,497,908.16
  5. Step 5: Solve for x
    x = 146,497,908.16/13,916.24
  6. Step 6: Final answer
    x = 10,527.12

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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.