Home / 37,135.95-55,712.58-12,174.45

Finding the Fourth Proportional to 37,135.95, 55,712.58 and 12,174.45

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Solution

The fourth proportional to 37,135.95, 55,712.58 and 12,174.45 is: 18,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,135.95 : 55,712.58 = 12,174.45 : x
  2. Step 2: Convert to fraction form
    37,135.95/55,712.58 = 12,174.45/x
  3. Step 3: Cross multiply
    37,135.95x = 55,712.58 × 12,174.45
  4. Step 4: Simplify right side
    37,135.95x = 678,270,019.58
  5. Step 5: Solve for x
    x = 678,270,019.58/37,135.95
  6. Step 6: Final answer
    x = 18,264.51

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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.