Home / 19,059.66-28,540.26-13,154.76

Finding the Fourth Proportional to 19,059.66, 28,540.26 and 13,154.76

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Solution

The fourth proportional to 19,059.66, 28,540.26 and 13,154.76 is: 19,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.66 : 28,540.26 = 13,154.76 : x
  2. Step 2: Convert to fraction form
    19,059.66/28,540.26 = 13,154.76/x
  3. Step 3: Cross multiply
    19,059.66x = 28,540.26 × 13,154.76
  4. Step 4: Simplify right side
    19,059.66x = 375,440,270.64
  5. Step 5: Solve for x
    x = 375,440,270.64/19,059.66
  6. Step 6: Final answer
    x = 19,698.16

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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.