Home / 15,668.76-21,622.92-8,595.24

Finding the Fourth Proportional to 15,668.76, 21,622.92 and 8,595.24

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Solution

The fourth proportional to 15,668.76, 21,622.92 and 8,595.24 is: 11,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.76 : 21,622.92 = 8,595.24 : x
  2. Step 2: Convert to fraction form
    15,668.76/21,622.92 = 8,595.24/x
  3. Step 3: Cross multiply
    15,668.76x = 21,622.92 × 8,595.24
  4. Step 4: Simplify right side
    15,668.76x = 185,854,186.90
  5. Step 5: Solve for x
    x = 185,854,186.90/15,668.76
  6. Step 6: Final answer
    x = 11,861.45

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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.