Home / 18,172.36-25,077.96-10,214.36

Finding the Fourth Proportional to 18,172.36, 25,077.96 and 10,214.36

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Solution

The fourth proportional to 18,172.36, 25,077.96 and 10,214.36 is: 14,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.36 : 25,077.96 = 10,214.36 : x
  2. Step 2: Convert to fraction form
    18,172.36/25,077.96 = 10,214.36/x
  3. Step 3: Cross multiply
    18,172.36x = 25,077.96 × 10,214.36
  4. Step 4: Simplify right side
    18,172.36x = 256,155,311.51
  5. Step 5: Solve for x
    x = 256,155,311.51/18,172.36
  6. Step 6: Final answer
    x = 14,095.87

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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.