Home / 19,808.93-27,338.63-11,312.27

Finding the Fourth Proportional to 19,808.93, 27,338.63 and 11,312.27

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Solution

The fourth proportional to 19,808.93, 27,338.63 and 11,312.27 is: 15,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.93 : 27,338.63 = 11,312.27 : x
  2. Step 2: Convert to fraction form
    19,808.93/27,338.63 = 11,312.27/x
  3. Step 3: Cross multiply
    19,808.93x = 27,338.63 × 11,312.27
  4. Step 4: Simplify right side
    19,808.93x = 309,261,770.74
  5. Step 5: Solve for x
    x = 309,261,770.74/19,808.93
  6. Step 6: Final answer
    x = 15,612.24

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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.