Home / 13,898.89-19,180.33-7,525.37

Finding the Fourth Proportional to 13,898.89, 19,180.33 and 7,525.37

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Solution

The fourth proportional to 13,898.89, 19,180.33 and 7,525.37 is: 10,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.89 : 19,180.33 = 7,525.37 : x
  2. Step 2: Convert to fraction form
    13,898.89/19,180.33 = 7,525.37/x
  3. Step 3: Cross multiply
    13,898.89x = 19,180.33 × 7,525.37
  4. Step 4: Simplify right side
    13,898.89x = 144,339,109.11
  5. Step 5: Solve for x
    x = 144,339,109.11/13,898.89
  6. Step 6: Final answer
    x = 10,384.94

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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.