Home / 17,819.80-24,623.88-16,955.16

Finding the Fourth Proportional to 17,819.80, 24,623.88 and 16,955.16

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Solution

The fourth proportional to 17,819.80, 24,623.88 and 16,955.16 is: 23,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,819.80 : 24,623.88 = 16,955.16 : x
  2. Step 2: Convert to fraction form
    17,819.80/24,623.88 = 16,955.16/x
  3. Step 3: Cross multiply
    17,819.80x = 24,623.88 × 16,955.16
  4. Step 4: Simplify right side
    17,819.80x = 417,501,825.22
  5. Step 5: Solve for x
    x = 417,501,825.22/17,819.80
  6. Step 6: Final answer
    x = 23,429.10

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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.