Home / 12,021.98-18,024.36-4,625.06

Finding the Fourth Proportional to 12,021.98, 18,024.36 and 4,625.06

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Solution

The fourth proportional to 12,021.98, 18,024.36 and 4,625.06 is: 6,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.98 : 18,024.36 = 4,625.06 : x
  2. Step 2: Convert to fraction form
    12,021.98/18,024.36 = 4,625.06/x
  3. Step 3: Cross multiply
    12,021.98x = 18,024.36 × 4,625.06
  4. Step 4: Simplify right side
    12,021.98x = 83,363,746.46
  5. Step 5: Solve for x
    x = 83,363,746.46/12,021.98
  6. Step 6: Final answer
    x = 6,934.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.