Home / 15,153.84-22,701.60-12,383.64

Finding the Fourth Proportional to 15,153.84, 22,701.60 and 12,383.64

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Solution

The fourth proportional to 15,153.84, 22,701.60 and 12,383.64 is: 18,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153.84 : 22,701.60 = 12,383.64 : x
  2. Step 2: Convert to fraction form
    15,153.84/22,701.60 = 12,383.64/x
  3. Step 3: Cross multiply
    15,153.84x = 22,701.60 × 12,383.64
  4. Step 4: Simplify right side
    15,153.84x = 281,128,441.82
  5. Step 5: Solve for x
    x = 281,128,441.82/15,153.84
  6. Step 6: Final answer
    x = 18,551.63

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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.