Home / 13,898.77-19,180.33-7,525.43

Finding the Fourth Proportional to 13,898.77, 19,180.33 and 7,525.43

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Solution

The fourth proportional to 13,898.77, 19,180.33 and 7,525.43 is: 10,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.77 : 19,180.33 = 7,525.43 : x
  2. Step 2: Convert to fraction form
    13,898.77/19,180.33 = 7,525.43/x
  3. Step 3: Cross multiply
    13,898.77x = 19,180.33 × 7,525.43
  4. Step 4: Simplify right side
    13,898.77x = 144,340,230.79
  5. Step 5: Solve for x
    x = 144,340,230.79/13,898.77
  6. Step 6: Final answer
    x = 10,385.11

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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.