Home / 18,673.56-25,767.99-10,290.06

Finding the Fourth Proportional to 18,673.56, 25,767.99 and 10,290.06

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Solution

The fourth proportional to 18,673.56, 25,767.99 and 10,290.06 is: 14,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673.56 : 25,767.99 = 10,290.06 : x
  2. Step 2: Convert to fraction form
    18,673.56/25,767.99 = 10,290.06/x
  3. Step 3: Cross multiply
    18,673.56x = 25,767.99 × 10,290.06
  4. Step 4: Simplify right side
    18,673.56x = 265,154,163.18
  5. Step 5: Solve for x
    x = 265,154,163.18/18,673.56
  6. Step 6: Final answer
    x = 14,199.44

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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.