Home / 13,464.74-18,566.34-11,574.20

Finding the Fourth Proportional to 13,464.74, 18,566.34 and 11,574.20

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Solution

The fourth proportional to 13,464.74, 18,566.34 and 11,574.20 is: 15,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.74 : 18,566.34 = 11,574.20 : x
  2. Step 2: Convert to fraction form
    13,464.74/18,566.34 = 11,574.20/x
  3. Step 3: Cross multiply
    13,464.74x = 18,566.34 × 11,574.20
  4. Step 4: Simplify right side
    13,464.74x = 214,890,532.43
  5. Step 5: Solve for x
    x = 214,890,532.43/13,464.74
  6. Step 6: Final answer
    x = 15,959.50

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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.