Home / 18,595.12-25,661.44-10,211.60

Finding the Fourth Proportional to 18,595.12, 25,661.44 and 10,211.60

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Solution

The fourth proportional to 18,595.12, 25,661.44 and 10,211.60 is: 14,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.12 : 25,661.44 = 10,211.60 : x
  2. Step 2: Convert to fraction form
    18,595.12/25,661.44 = 10,211.60/x
  3. Step 3: Cross multiply
    18,595.12x = 25,661.44 × 10,211.60
  4. Step 4: Simplify right side
    18,595.12x = 262,044,360.70
  5. Step 5: Solve for x
    x = 262,044,360.70/18,595.12
  6. Step 6: Final answer
    x = 14,092.10

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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.