Home / 16,821.03-25,235.51-9,430.59

Finding the Fourth Proportional to 16,821.03, 25,235.51 and 9,430.59

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Solution

The fourth proportional to 16,821.03, 25,235.51 and 9,430.59 is: 14,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.03 : 25,235.51 = 9,430.59 : x
  2. Step 2: Convert to fraction form
    16,821.03/25,235.51 = 9,430.59/x
  3. Step 3: Cross multiply
    16,821.03x = 25,235.51 × 9,430.59
  4. Step 4: Simplify right side
    16,821.03x = 237,985,748.25
  5. Step 5: Solve for x
    x = 237,985,748.25/16,821.03
  6. Step 6: Final answer
    x = 14,148.11

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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.