Home / 22,233.84-30,690.40-12,806.16

Finding the Fourth Proportional to 22,233.84, 30,690.40 and 12,806.16

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Solution

The fourth proportional to 22,233.84, 30,690.40 and 12,806.16 is: 17,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,233.84 : 30,690.40 = 12,806.16 : x
  2. Step 2: Convert to fraction form
    22,233.84/30,690.40 = 12,806.16/x
  3. Step 3: Cross multiply
    22,233.84x = 30,690.40 × 12,806.16
  4. Step 4: Simplify right side
    22,233.84x = 393,026,172.86
  5. Step 5: Solve for x
    x = 393,026,172.86/22,233.84
  6. Step 6: Final answer
    x = 17,676.94

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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.