Home / 16,842.79-23,245.20-14,005.28

Finding the Fourth Proportional to 16,842.79, 23,245.20 and 14,005.28

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Solution

The fourth proportional to 16,842.79, 23,245.20 and 14,005.28 is: 19,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.79 : 23,245.20 = 14,005.28 : x
  2. Step 2: Convert to fraction form
    16,842.79/23,245.20 = 14,005.28/x
  3. Step 3: Cross multiply
    16,842.79x = 23,245.20 × 14,005.28
  4. Step 4: Simplify right side
    16,842.79x = 325,555,566.78
  5. Step 5: Solve for x
    x = 325,555,566.78/16,842.79
  6. Step 6: Final answer
    x = 19,329.08

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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.