Home / 25,334.12-37,988.19-8,689.68

Finding the Fourth Proportional to 25,334.12, 37,988.19 and 8,689.68

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Solution

The fourth proportional to 25,334.12, 37,988.19 and 8,689.68 is: 13,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,334.12 : 37,988.19 = 8,689.68 : x
  2. Step 2: Convert to fraction form
    25,334.12/37,988.19 = 8,689.68/x
  3. Step 3: Cross multiply
    25,334.12x = 37,988.19 × 8,689.68
  4. Step 4: Simplify right side
    25,334.12x = 330,105,214.88
  5. Step 5: Solve for x
    x = 330,105,214.88/25,334.12
  6. Step 6: Final answer
    x = 13,030.07

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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.