Home / 14,041.38-19,378.13-8,074.92

Finding the Fourth Proportional to 14,041.38, 19,378.13 and 8,074.92

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Solution

The fourth proportional to 14,041.38, 19,378.13 and 8,074.92 is: 11,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.38 : 19,378.13 = 8,074.92 : x
  2. Step 2: Convert to fraction form
    14,041.38/19,378.13 = 8,074.92/x
  3. Step 3: Cross multiply
    14,041.38x = 19,378.13 × 8,074.92
  4. Step 4: Simplify right side
    14,041.38x = 156,476,849.50
  5. Step 5: Solve for x
    x = 156,476,849.50/14,041.38
  6. Step 6: Final answer
    x = 11,143.98

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Half scale
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Double scale
Find fourth proportional to 14,042.38, 19,379.51 and 8,075.92
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.