Home / 22,312.72-33,433.50-11,782.36

Finding the Fourth Proportional to 22,312.72, 33,433.50 and 11,782.36

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Solution

The fourth proportional to 22,312.72, 33,433.50 and 11,782.36 is: 17,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.72 : 33,433.50 = 11,782.36 : x
  2. Step 2: Convert to fraction form
    22,312.72/33,433.50 = 11,782.36/x
  3. Step 3: Cross multiply
    22,312.72x = 33,433.50 × 11,782.36
  4. Step 4: Simplify right side
    22,312.72x = 393,925,533.06
  5. Step 5: Solve for x
    x = 393,925,533.06/22,312.72
  6. Step 6: Final answer
    x = 17,654.75

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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.