Home / 15,559.48-21,478.26-9,596.80

Finding the Fourth Proportional to 15,559.48, 21,478.26 and 9,596.80

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Solution

The fourth proportional to 15,559.48, 21,478.26 and 9,596.80 is: 13,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.48 : 21,478.26 = 9,596.80 : x
  2. Step 2: Convert to fraction form
    15,559.48/21,478.26 = 9,596.80/x
  3. Step 3: Cross multiply
    15,559.48x = 21,478.26 × 9,596.80
  4. Step 4: Simplify right side
    15,559.48x = 206,122,565.57
  5. Step 5: Solve for x
    x = 206,122,565.57/15,559.48
  6. Step 6: Final answer
    x = 13,247.39

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Half scale
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Double scale
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Similar ratio
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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.