Home / 13,180.48-19,748.84-9,276.69

Finding the Fourth Proportional to 13,180.48, 19,748.84 and 9,276.69

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Solution

The fourth proportional to 13,180.48, 19,748.84 and 9,276.69 is: 13,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.48 : 19,748.84 = 9,276.69 : x
  2. Step 2: Convert to fraction form
    13,180.48/19,748.84 = 9,276.69/x
  3. Step 3: Cross multiply
    13,180.48x = 19,748.84 × 9,276.69
  4. Step 4: Simplify right side
    13,180.48x = 183,203,866.54
  5. Step 5: Solve for x
    x = 183,203,866.54/13,180.48
  6. Step 6: Final answer
    x = 13,899.64

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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.