Home / 16,440.64-22,706.40-15,196.48

Finding the Fourth Proportional to 16,440.64, 22,706.40 and 15,196.48

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Solution

The fourth proportional to 16,440.64, 22,706.40 and 15,196.48 is: 20,988.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.64 : 22,706.40 = 15,196.48 : x
  2. Step 2: Convert to fraction form
    16,440.64/22,706.40 = 15,196.48/x
  3. Step 3: Cross multiply
    16,440.64x = 22,706.40 × 15,196.48
  4. Step 4: Simplify right side
    16,440.64x = 345,057,353.47
  5. Step 5: Solve for x
    x = 345,057,353.47/16,440.64
  6. Step 6: Final answer
    x = 20,988.07

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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.