Home / 16,973.20-23,431.06-11,317.40

Finding the Fourth Proportional to 16,973.20, 23,431.06 and 11,317.40

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Solution

The fourth proportional to 16,973.20, 23,431.06 and 11,317.40 is: 15,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,973.20 : 23,431.06 = 11,317.40 : x
  2. Step 2: Convert to fraction form
    16,973.20/23,431.06 = 11,317.40/x
  3. Step 3: Cross multiply
    16,973.20x = 23,431.06 × 11,317.40
  4. Step 4: Simplify right side
    16,973.20x = 265,178,678.44
  5. Step 5: Solve for x
    x = 265,178,678.44/16,973.20
  6. Step 6: Final answer
    x = 15,623.38

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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.