Home / 18,395.50-25,385.79-10,012.06

Finding the Fourth Proportional to 18,395.50, 25,385.79 and 10,012.06

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Solution

The fourth proportional to 18,395.50, 25,385.79 and 10,012.06 is: 13,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.50 : 25,385.79 = 10,012.06 : x
  2. Step 2: Convert to fraction form
    18,395.50/25,385.79 = 10,012.06/x
  3. Step 3: Cross multiply
    18,395.50x = 25,385.79 × 10,012.06
  4. Step 4: Simplify right side
    18,395.50x = 254,164,052.63
  5. Step 5: Solve for x
    x = 254,164,052.63/18,395.50
  6. Step 6: Final answer
    x = 13,816.64

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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.