Home / 19,082.39-26,328.31-12,368.30

Finding the Fourth Proportional to 19,082.39, 26,328.31 and 12,368.30

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Solution

The fourth proportional to 19,082.39, 26,328.31 and 12,368.30 is: 17,064.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.39 : 26,328.31 = 12,368.30 : x
  2. Step 2: Convert to fraction form
    19,082.39/26,328.31 = 12,368.30/x
  3. Step 3: Cross multiply
    19,082.39x = 26,328.31 × 12,368.30
  4. Step 4: Simplify right side
    19,082.39x = 325,636,243.09
  5. Step 5: Solve for x
    x = 325,636,243.09/19,082.39
  6. Step 6: Final answer
    x = 17,064.76

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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.