Home / 18,524.34-25,563.76-10,971.10

Finding the Fourth Proportional to 18,524.34, 25,563.76 and 10,971.10

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Solution

The fourth proportional to 18,524.34, 25,563.76 and 10,971.10 is: 15,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.34 : 25,563.76 = 10,971.10 : x
  2. Step 2: Convert to fraction form
    18,524.34/25,563.76 = 10,971.10/x
  3. Step 3: Cross multiply
    18,524.34x = 25,563.76 × 10,971.10
  4. Step 4: Simplify right side
    18,524.34x = 280,462,567.34
  5. Step 5: Solve for x
    x = 280,462,567.34/18,524.34
  6. Step 6: Final answer
    x = 15,140.22

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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.