Home / 19,041.04-26,279.54-11,872.12

Finding the Fourth Proportional to 19,041.04, 26,279.54 and 11,872.12

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Solution

The fourth proportional to 19,041.04, 26,279.54 and 11,872.12 is: 16,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,041.04 : 26,279.54 = 11,872.12 : x
  2. Step 2: Convert to fraction form
    19,041.04/26,279.54 = 11,872.12/x
  3. Step 3: Cross multiply
    19,041.04x = 26,279.54 × 11,872.12
  4. Step 4: Simplify right side
    19,041.04x = 311,993,821.16
  5. Step 5: Solve for x
    x = 311,993,821.16/19,041.04
  6. Step 6: Final answer
    x = 16,385.33

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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.