Home / 37,396.85-56,083.10-12,430.20

Finding the Fourth Proportional to 37,396.85, 56,083.10 and 12,430.20

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Solution

The fourth proportional to 37,396.85, 56,083.10 and 12,430.20 is: 18,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,396.85 : 56,083.10 = 12,430.20 : x
  2. Step 2: Convert to fraction form
    37,396.85/56,083.10 = 12,430.20/x
  3. Step 3: Cross multiply
    37,396.85x = 56,083.10 × 12,430.20
  4. Step 4: Simplify right side
    37,396.85x = 697,124,087.47
  5. Step 5: Solve for x
    x = 697,124,087.47/37,396.85
  6. Step 6: Final answer
    x = 18,641.25

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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.