Home / 16,885.64-23,280.53-11,571.23

Finding the Fourth Proportional to 16,885.64, 23,280.53 and 11,571.23

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Solution

The fourth proportional to 16,885.64, 23,280.53 and 11,571.23 is: 15,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.64 : 23,280.53 = 11,571.23 : x
  2. Step 2: Convert to fraction form
    16,885.64/23,280.53 = 11,571.23/x
  3. Step 3: Cross multiply
    16,885.64x = 23,280.53 × 11,571.23
  4. Step 4: Simplify right side
    16,885.64x = 269,384,192.89
  5. Step 5: Solve for x
    x = 269,384,192.89/16,885.64
  6. Step 6: Final answer
    x = 15,953.45

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Double scale
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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.