Home / 24,788.40-37,188-12,315.12

Finding the Fourth Proportional to 24,788.40, 37,188 and 12,315.12

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Solution

The fourth proportional to 24,788.40, 37,188 and 12,315.12 is: 18,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,788.40 : 37,188 = 12,315.12 : x
  2. Step 2: Convert to fraction form
    24,788.40/37,188 = 12,315.12/x
  3. Step 3: Cross multiply
    24,788.40x = 37,188 × 12,315.12
  4. Step 4: Simplify right side
    24,788.40x = 457,974,682.56
  5. Step 5: Solve for x
    x = 457,974,682.56/24,788.40
  6. Step 6: Final answer
    x = 18,475.36

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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.