Home / 16,762.12-23,131.64-9,105.34

Finding the Fourth Proportional to 16,762.12, 23,131.64 and 9,105.34

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Solution

The fourth proportional to 16,762.12, 23,131.64 and 9,105.34 is: 12,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.12 : 23,131.64 = 9,105.34 : x
  2. Step 2: Convert to fraction form
    16,762.12/23,131.64 = 9,105.34/x
  3. Step 3: Cross multiply
    16,762.12x = 23,131.64 × 9,105.34
  4. Step 4: Simplify right side
    16,762.12x = 210,621,390.21
  5. Step 5: Solve for x
    x = 210,621,390.21/16,762.12
  6. Step 6: Final answer
    x = 12,565.32

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Double scale
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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.