Home / 13,898.63-19,179.87-7,525.17

Finding the Fourth Proportional to 13,898.63, 19,179.87 and 7,525.17

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Solution

The fourth proportional to 13,898.63, 19,179.87 and 7,525.17 is: 10,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.63 : 19,179.87 = 7,525.17 : x
  2. Step 2: Convert to fraction form
    13,898.63/19,179.87 = 7,525.17/x
  3. Step 3: Cross multiply
    13,898.63x = 19,179.87 × 7,525.17
  4. Step 4: Simplify right side
    13,898.63x = 144,331,686.43
  5. Step 5: Solve for x
    x = 144,331,686.43/13,898.63
  6. Step 6: Final answer
    x = 10,384.60

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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.