Home / 18,526.08-25,568.46-10,971.80

Finding the Fourth Proportional to 18,526.08, 25,568.46 and 10,971.80

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Solution

The fourth proportional to 18,526.08, 25,568.46 and 10,971.80 is: 15,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.08 : 25,568.46 = 10,971.80 : x
  2. Step 2: Convert to fraction form
    18,526.08/25,568.46 = 10,971.80/x
  3. Step 3: Cross multiply
    18,526.08x = 25,568.46 × 10,971.80
  4. Step 4: Simplify right side
    18,526.08x = 280,532,029.43
  5. Step 5: Solve for x
    x = 280,532,029.43/18,526.08
  6. Step 6: Final answer
    x = 15,142.55

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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.