Home / 19,943.04-27,521.67-11,445.84

Finding the Fourth Proportional to 19,943.04, 27,521.67 and 11,445.84

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Solution

The fourth proportional to 19,943.04, 27,521.67 and 11,445.84 is: 15,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.04 : 27,521.67 = 11,445.84 : x
  2. Step 2: Convert to fraction form
    19,943.04/27,521.67 = 11,445.84/x
  3. Step 3: Cross multiply
    19,943.04x = 27,521.67 × 11,445.84
  4. Step 4: Simplify right side
    19,943.04x = 315,008,631.35
  5. Step 5: Solve for x
    x = 315,008,631.35/19,943.04
  6. Step 6: Final answer
    x = 15,795.42

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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.