Home / 37,631.71-56,408.07-12,663.11

Finding the Fourth Proportional to 37,631.71, 56,408.07 and 12,663.11

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Solution

The fourth proportional to 37,631.71, 56,408.07 and 12,663.11 is: 18,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,631.71 : 56,408.07 = 12,663.11 : x
  2. Step 2: Convert to fraction form
    37,631.71/56,408.07 = 12,663.11/x
  3. Step 3: Cross multiply
    37,631.71x = 56,408.07 × 12,663.11
  4. Step 4: Simplify right side
    37,631.71x = 714,301,589.54
  5. Step 5: Solve for x
    x = 714,301,589.54/37,631.71
  6. Step 6: Final answer
    x = 18,981.37

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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.