Home / 18,140.49-25,033.46-10,182.51

Finding the Fourth Proportional to 18,140.49, 25,033.46 and 10,182.51

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Solution

The fourth proportional to 18,140.49, 25,033.46 and 10,182.51 is: 14,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.49 : 25,033.46 = 10,182.51 : x
  2. Step 2: Convert to fraction form
    18,140.49/25,033.46 = 10,182.51/x
  3. Step 3: Cross multiply
    18,140.49x = 25,033.46 × 10,182.51
  4. Step 4: Simplify right side
    18,140.49x = 254,903,405.87
  5. Step 5: Solve for x
    x = 254,903,405.87/18,140.49
  6. Step 6: Final answer
    x = 14,051.63

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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.