Home / 16,783.20-23,159.01-9,708.24

Finding the Fourth Proportional to 16,783.20, 23,159.01 and 9,708.24

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Solution

The fourth proportional to 16,783.20, 23,159.01 and 9,708.24 is: 13,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.20 : 23,159.01 = 9,708.24 : x
  2. Step 2: Convert to fraction form
    16,783.20/23,159.01 = 9,708.24/x
  3. Step 3: Cross multiply
    16,783.20x = 23,159.01 × 9,708.24
  4. Step 4: Simplify right side
    16,783.20x = 224,833,227.24
  5. Step 5: Solve for x
    x = 224,833,227.24/16,783.20
  6. Step 6: Final answer
    x = 13,396.33

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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.