Home / 25,370.88-38,052-9,788.64

Finding the Fourth Proportional to 25,370.88, 38,052 and 9,788.64

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Solution

The fourth proportional to 25,370.88, 38,052 and 9,788.64 is: 14,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,370.88 : 38,052 = 9,788.64 : x
  2. Step 2: Convert to fraction form
    25,370.88/38,052 = 9,788.64/x
  3. Step 3: Cross multiply
    25,370.88x = 38,052 × 9,788.64
  4. Step 4: Simplify right side
    25,370.88x = 372,477,329.28
  5. Step 5: Solve for x
    x = 372,477,329.28/25,370.88
  6. Step 6: Final answer
    x = 14,681.29

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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.