Home / 15,549.57-23,319.57-4,453.28

Finding the Fourth Proportional to 15,549.57, 23,319.57 and 4,453.28

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Solution

The fourth proportional to 15,549.57, 23,319.57 and 4,453.28 is: 6,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.57 : 23,319.57 = 4,453.28 : x
  2. Step 2: Convert to fraction form
    15,549.57/23,319.57 = 4,453.28/x
  3. Step 3: Cross multiply
    15,549.57x = 23,319.57 × 4,453.28
  4. Step 4: Simplify right side
    15,549.57x = 103,848,549.72
  5. Step 5: Solve for x
    x = 103,848,549.72/15,549.57
  6. Step 6: Final answer
    x = 6,678.55

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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.