Home / 19,741.14-29,611.70-9,870.48

Finding the Fourth Proportional to 19,741.14, 29,611.70 and 9,870.48

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Solution

The fourth proportional to 19,741.14, 29,611.70 and 9,870.48 is: 14,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.14 : 29,611.70 = 9,870.48 : x
  2. Step 2: Convert to fraction form
    19,741.14/29,611.70 = 9,870.48/x
  3. Step 3: Cross multiply
    19,741.14x = 29,611.70 × 9,870.48
  4. Step 4: Simplify right side
    19,741.14x = 292,281,692.62
  5. Step 5: Solve for x
    x = 292,281,692.62/19,741.14
  6. Step 6: Final answer
    x = 14,805.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.