Home / 18,485.19-25,508.12-10,525.86

Finding the Fourth Proportional to 18,485.19, 25,508.12 and 10,525.86

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Solution

The fourth proportional to 18,485.19, 25,508.12 and 10,525.86 is: 14,524.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.19 : 25,508.12 = 10,525.86 : x
  2. Step 2: Convert to fraction form
    18,485.19/25,508.12 = 10,525.86/x
  3. Step 3: Cross multiply
    18,485.19x = 25,508.12 × 10,525.86
  4. Step 4: Simplify right side
    18,485.19x = 268,494,847.35
  5. Step 5: Solve for x
    x = 268,494,847.35/18,485.19
  6. Step 6: Final answer
    x = 14,524.86

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Half scale
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Double scale
Find fourth proportional to 18,486.19, 25,509.49 and 10,526.86
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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.