Home / 16,976.06-23,437.54-15,916.96

Finding the Fourth Proportional to 16,976.06, 23,437.54 and 15,916.96

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Solution

The fourth proportional to 16,976.06, 23,437.54 and 15,916.96 is: 21,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.06 : 23,437.54 = 15,916.96 : x
  2. Step 2: Convert to fraction form
    16,976.06/23,437.54 = 15,916.96/x
  3. Step 3: Cross multiply
    16,976.06x = 23,437.54 × 15,916.96
  4. Step 4: Simplify right side
    16,976.06x = 373,054,386.68
  5. Step 5: Solve for x
    x = 373,054,386.68/16,976.06
  6. Step 6: Final answer
    x = 21,975.32

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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.