Home / 12,467.12-17,292.76-12,018.24

Finding the Fourth Proportional to 12,467.12, 17,292.76 and 12,018.24

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Solution

The fourth proportional to 12,467.12, 17,292.76 and 12,018.24 is: 16,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.12 : 17,292.76 = 12,018.24 : x
  2. Step 2: Convert to fraction form
    12,467.12/17,292.76 = 12,018.24/x
  3. Step 3: Cross multiply
    12,467.12x = 17,292.76 × 12,018.24
  4. Step 4: Simplify right side
    12,467.12x = 207,828,509.90
  5. Step 5: Solve for x
    x = 207,828,509.90/12,467.12
  6. Step 6: Final answer
    x = 16,670.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.