Home / 18,490.69-25,516.60-10,107.01

Finding the Fourth Proportional to 18,490.69, 25,516.60 and 10,107.01

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Solution

The fourth proportional to 18,490.69, 25,516.60 and 10,107.01 is: 13,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.69 : 25,516.60 = 10,107.01 : x
  2. Step 2: Convert to fraction form
    18,490.69/25,516.60 = 10,107.01/x
  3. Step 3: Cross multiply
    18,490.69x = 25,516.60 × 10,107.01
  4. Step 4: Simplify right side
    18,490.69x = 257,896,531.37
  5. Step 5: Solve for x
    x = 257,896,531.37/18,490.69
  6. Step 6: Final answer
    x = 13,947.37

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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.