Home / 19,532.76-26,964.54-11,147.64

Finding the Fourth Proportional to 19,532.76, 26,964.54 and 11,147.64

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Solution

The fourth proportional to 19,532.76, 26,964.54 and 11,147.64 is: 15,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.76 : 26,964.54 = 11,147.64 : x
  2. Step 2: Convert to fraction form
    19,532.76/26,964.54 = 11,147.64/x
  3. Step 3: Cross multiply
    19,532.76x = 26,964.54 × 11,147.64
  4. Step 4: Simplify right side
    19,532.76x = 300,590,984.69
  5. Step 5: Solve for x
    x = 300,590,984.69/19,532.76
  6. Step 6: Final answer
    x = 15,389.07

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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.