Home / 14,890.80-22,328.10-6,126.60

Finding the Fourth Proportional to 14,890.80, 22,328.10 and 6,126.60

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Solution

The fourth proportional to 14,890.80, 22,328.10 and 6,126.60 is: 9,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.80 : 22,328.10 = 6,126.60 : x
  2. Step 2: Convert to fraction form
    14,890.80/22,328.10 = 6,126.60/x
  3. Step 3: Cross multiply
    14,890.80x = 22,328.10 × 6,126.60
  4. Step 4: Simplify right side
    14,890.80x = 136,795,337.46
  5. Step 5: Solve for x
    x = 136,795,337.46/14,890.80
  6. Step 6: Final answer
    x = 9,186.57

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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.