Home / 14,666.66-22,004.31-5,430.50

Finding the Fourth Proportional to 14,666.66, 22,004.31 and 5,430.50

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Solution

The fourth proportional to 14,666.66, 22,004.31 and 5,430.50 is: 8,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.66 : 22,004.31 = 5,430.50 : x
  2. Step 2: Convert to fraction form
    14,666.66/22,004.31 = 5,430.50/x
  3. Step 3: Cross multiply
    14,666.66x = 22,004.31 × 5,430.50
  4. Step 4: Simplify right side
    14,666.66x = 119,494,405.46
  5. Step 5: Solve for x
    x = 119,494,405.46/14,666.66
  6. Step 6: Final answer
    x = 8,147.35

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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.