Home / 16,915.07-23,342.85-9,361.92

Finding the Fourth Proportional to 16,915.07, 23,342.85 and 9,361.92

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Solution

The fourth proportional to 16,915.07, 23,342.85 and 9,361.92 is: 12,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.07 : 23,342.85 = 9,361.92 : x
  2. Step 2: Convert to fraction form
    16,915.07/23,342.85 = 9,361.92/x
  3. Step 3: Cross multiply
    16,915.07x = 23,342.85 × 9,361.92
  4. Step 4: Simplify right side
    16,915.07x = 218,533,981.81
  5. Step 5: Solve for x
    x = 218,533,981.81/16,915.07
  6. Step 6: Final answer
    x = 12,919.48

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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.