Home / 15,964.42-22,030.71-8,794.20

Finding the Fourth Proportional to 15,964.42, 22,030.71 and 8,794.20

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Solution

The fourth proportional to 15,964.42, 22,030.71 and 8,794.20 is: 12,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.42 : 22,030.71 = 8,794.20 : x
  2. Step 2: Convert to fraction form
    15,964.42/22,030.71 = 8,794.20/x
  3. Step 3: Cross multiply
    15,964.42x = 22,030.71 × 8,794.20
  4. Step 4: Simplify right side
    15,964.42x = 193,742,469.88
  5. Step 5: Solve for x
    x = 193,742,469.88/15,964.42
  6. Step 6: Final answer
    x = 12,135.89

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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.