Home / 19,082.43-28,621.80-11,683.08

Finding the Fourth Proportional to 19,082.43, 28,621.80 and 11,683.08

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Solution

The fourth proportional to 19,082.43, 28,621.80 and 11,683.08 is: 17,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.43 : 28,621.80 = 11,683.08 : x
  2. Step 2: Convert to fraction form
    19,082.43/28,621.80 = 11,683.08/x
  3. Step 3: Cross multiply
    19,082.43x = 28,621.80 × 11,683.08
  4. Step 4: Simplify right side
    19,082.43x = 334,390,779.14
  5. Step 5: Solve for x
    x = 334,390,779.14/19,082.43
  6. Step 6: Final answer
    x = 17,523.49

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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.