Home / 15,546.81-23,319.61-4,453.05

Finding the Fourth Proportional to 15,546.81, 23,319.61 and 4,453.05

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Solution

The fourth proportional to 15,546.81, 23,319.61 and 4,453.05 is: 6,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.81 : 23,319.61 = 4,453.05 : x
  2. Step 2: Convert to fraction form
    15,546.81/23,319.61 = 4,453.05/x
  3. Step 3: Cross multiply
    15,546.81x = 23,319.61 × 4,453.05
  4. Step 4: Simplify right side
    15,546.81x = 103,843,389.31
  5. Step 5: Solve for x
    x = 103,843,389.31/15,546.81
  6. Step 6: Final answer
    x = 6,679.40

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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.