Home / 14,509.28-21,766.58-5,148.18

Finding the Fourth Proportional to 14,509.28, 21,766.58 and 5,148.18

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Solution

The fourth proportional to 14,509.28, 21,766.58 and 5,148.18 is: 7,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.28 : 21,766.58 = 5,148.18 : x
  2. Step 2: Convert to fraction form
    14,509.28/21,766.58 = 5,148.18/x
  3. Step 3: Cross multiply
    14,509.28x = 21,766.58 × 5,148.18
  4. Step 4: Simplify right side
    14,509.28x = 112,058,271.82
  5. Step 5: Solve for x
    x = 112,058,271.82/14,509.28
  6. Step 6: Final answer
    x = 7,723.21

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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.