Home / 15,984.48-22,059.63-8,911.11

Finding the Fourth Proportional to 15,984.48, 22,059.63 and 8,911.11

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Solution

The fourth proportional to 15,984.48, 22,059.63 and 8,911.11 is: 12,297.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.48 : 22,059.63 = 8,911.11 : x
  2. Step 2: Convert to fraction form
    15,984.48/22,059.63 = 8,911.11/x
  3. Step 3: Cross multiply
    15,984.48x = 22,059.63 × 8,911.11
  4. Step 4: Simplify right side
    15,984.48x = 196,575,789.49
  5. Step 5: Solve for x
    x = 196,575,789.49/15,984.48
  6. Step 6: Final answer
    x = 12,297.92

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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.