Home / 16,962.12-23,419.40-12,976.29

Finding the Fourth Proportional to 16,962.12, 23,419.40 and 12,976.29

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Solution

The fourth proportional to 16,962.12, 23,419.40 and 12,976.29 is: 17,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,962.12 : 23,419.40 = 12,976.29 : x
  2. Step 2: Convert to fraction form
    16,962.12/23,419.40 = 12,976.29/x
  3. Step 3: Cross multiply
    16,962.12x = 23,419.40 × 12,976.29
  4. Step 4: Simplify right side
    16,962.12x = 303,896,861.14
  5. Step 5: Solve for x
    x = 303,896,861.14/16,962.12
  6. Step 6: Final answer
    x = 17,916.21

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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.