Home / 15,022.55-22,534.34-5,161.74

Finding the Fourth Proportional to 15,022.55, 22,534.34 and 5,161.74

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Solution

The fourth proportional to 15,022.55, 22,534.34 and 5,161.74 is: 7,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022.55 : 22,534.34 = 5,161.74 : x
  2. Step 2: Convert to fraction form
    15,022.55/22,534.34 = 5,161.74/x
  3. Step 3: Cross multiply
    15,022.55x = 22,534.34 × 5,161.74
  4. Step 4: Simplify right side
    15,022.55x = 116,316,378.34
  5. Step 5: Solve for x
    x = 116,316,378.34/15,022.55
  6. Step 6: Final answer
    x = 7,742.79

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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.