Home / 16,967.20-23,426.87-11,315.28

Finding the Fourth Proportional to 16,967.20, 23,426.87 and 11,315.28

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Solution

The fourth proportional to 16,967.20, 23,426.87 and 11,315.28 is: 15,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,967.20 : 23,426.87 = 11,315.28 : x
  2. Step 2: Convert to fraction form
    16,967.20/23,426.87 = 11,315.28/x
  3. Step 3: Cross multiply
    16,967.20x = 23,426.87 × 11,315.28
  4. Step 4: Simplify right side
    16,967.20x = 265,081,593.57
  5. Step 5: Solve for x
    x = 265,081,593.57/16,967.20
  6. Step 6: Final answer
    x = 15,623.18

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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.