Home / 13,596.48-18,763.35-7,627.80

Finding the Fourth Proportional to 13,596.48, 18,763.35 and 7,627.80

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Solution

The fourth proportional to 13,596.48, 18,763.35 and 7,627.80 is: 10,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.48 : 18,763.35 = 7,627.80 : x
  2. Step 2: Convert to fraction form
    13,596.48/18,763.35 = 7,627.80/x
  3. Step 3: Cross multiply
    13,596.48x = 18,763.35 × 7,627.80
  4. Step 4: Simplify right side
    13,596.48x = 143,123,081.13
  5. Step 5: Solve for x
    x = 143,123,081.13/13,596.48
  6. Step 6: Final answer
    x = 10,526.48

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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.