Home / 19,154.06-28,719.72-7,453.64

Finding the Fourth Proportional to 19,154.06, 28,719.72 and 7,453.64

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Solution

The fourth proportional to 19,154.06, 28,719.72 and 7,453.64 is: 11,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.06 : 28,719.72 = 7,453.64 : x
  2. Step 2: Convert to fraction form
    19,154.06/28,719.72 = 7,453.64/x
  3. Step 3: Cross multiply
    19,154.06x = 28,719.72 × 7,453.64
  4. Step 4: Simplify right side
    19,154.06x = 214,066,453.78
  5. Step 5: Solve for x
    x = 214,066,453.78/19,154.06
  6. Step 6: Final answer
    x = 11,176.04

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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.