Home / 22,433.36-33,638.63-12,569.99

Finding the Fourth Proportional to 22,433.36, 33,638.63 and 12,569.99

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Solution

The fourth proportional to 22,433.36, 33,638.63 and 12,569.99 is: 18,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,433.36 : 33,638.63 = 12,569.99 : x
  2. Step 2: Convert to fraction form
    22,433.36/33,638.63 = 12,569.99/x
  3. Step 3: Cross multiply
    22,433.36x = 33,638.63 × 12,569.99
  4. Step 4: Simplify right side
    22,433.36x = 422,837,011.67
  5. Step 5: Solve for x
    x = 422,837,011.67/22,433.36
  6. Step 6: Final answer
    x = 18,848.59

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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.