Home / 15,668.08-21,621.80-8,594.52

Finding the Fourth Proportional to 15,668.08, 21,621.80 and 8,594.52

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Solution

The fourth proportional to 15,668.08, 21,621.80 and 8,594.52 is: 11,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.08 : 21,621.80 = 8,594.52 : x
  2. Step 2: Convert to fraction form
    15,668.08/21,621.80 = 8,594.52/x
  3. Step 3: Cross multiply
    15,668.08x = 21,621.80 × 8,594.52
  4. Step 4: Simplify right side
    15,668.08x = 185,828,992.54
  5. Step 5: Solve for x
    x = 185,828,992.54/15,668.08
  6. Step 6: Final answer
    x = 11,860.36

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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.