Home / 15,551.85-23,320.74-4,455.99

Finding the Fourth Proportional to 15,551.85, 23,320.74 and 4,455.99

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Solution

The fourth proportional to 15,551.85, 23,320.74 and 4,455.99 is: 6,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.85 : 23,320.74 = 4,455.99 : x
  2. Step 2: Convert to fraction form
    15,551.85/23,320.74 = 4,455.99/x
  3. Step 3: Cross multiply
    15,551.85x = 23,320.74 × 4,455.99
  4. Step 4: Simplify right side
    15,551.85x = 103,916,984.23
  5. Step 5: Solve for x
    x = 103,916,984.23/15,551.85
  6. Step 6: Final answer
    x = 6,681.97

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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.