Home / 16,455.81-24,686.27-5,359.91

Finding the Fourth Proportional to 16,455.81, 24,686.27 and 5,359.91

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Solution

The fourth proportional to 16,455.81, 24,686.27 and 5,359.91 is: 8,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.81 : 24,686.27 = 5,359.91 : x
  2. Step 2: Convert to fraction form
    16,455.81/24,686.27 = 5,359.91/x
  3. Step 3: Cross multiply
    16,455.81x = 24,686.27 × 5,359.91
  4. Step 4: Simplify right side
    16,455.81x = 132,316,240.45
  5. Step 5: Solve for x
    x = 132,316,240.45/16,455.81
  6. Step 6: Final answer
    x = 8,040.70

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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.