Home / 37,603.08-56,408.22-12,643.38

Finding the Fourth Proportional to 37,603.08, 56,408.22 and 12,643.38

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Solution

The fourth proportional to 37,603.08, 56,408.22 and 12,643.38 is: 18,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,603.08 : 56,408.22 = 12,643.38 : x
  2. Step 2: Convert to fraction form
    37,603.08/56,408.22 = 12,643.38/x
  3. Step 3: Cross multiply
    37,603.08x = 56,408.22 × 12,643.38
  4. Step 4: Simplify right side
    37,603.08x = 713,190,560.58
  5. Step 5: Solve for x
    x = 713,190,560.58/37,603.08
  6. Step 6: Final answer
    x = 18,966.28

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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.