Home / 18,074.20-27,108.64-10,581.22

Finding the Fourth Proportional to 18,074.20, 27,108.64 and 10,581.22

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Solution

The fourth proportional to 18,074.20, 27,108.64 and 10,581.22 is: 15,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.20 : 27,108.64 = 10,581.22 : x
  2. Step 2: Convert to fraction form
    18,074.20/27,108.64 = 10,581.22/x
  3. Step 3: Cross multiply
    18,074.20x = 27,108.64 × 10,581.22
  4. Step 4: Simplify right side
    18,074.20x = 286,842,483.74
  5. Step 5: Solve for x
    x = 286,842,483.74/18,074.20
  6. Step 6: Final answer
    x = 15,870.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.