Home / 22,312.49-33,433.16-11,782.08

Finding the Fourth Proportional to 22,312.49, 33,433.16 and 11,782.08

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Solution

The fourth proportional to 22,312.49, 33,433.16 and 11,782.08 is: 17,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.49 : 33,433.16 = 11,782.08 : x
  2. Step 2: Convert to fraction form
    22,312.49/33,433.16 = 11,782.08/x
  3. Step 3: Cross multiply
    22,312.49x = 33,433.16 × 11,782.08
  4. Step 4: Simplify right side
    22,312.49x = 393,912,106.86
  5. Step 5: Solve for x
    x = 393,912,106.86/22,312.49
  6. Step 6: Final answer
    x = 17,654.34

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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.