Home / 14,275.94-21,420.04-5,517.01

Finding the Fourth Proportional to 14,275.94, 21,420.04 and 5,517.01

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Solution

The fourth proportional to 14,275.94, 21,420.04 and 5,517.01 is: 8,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.94 : 21,420.04 = 5,517.01 : x
  2. Step 2: Convert to fraction form
    14,275.94/21,420.04 = 5,517.01/x
  3. Step 3: Cross multiply
    14,275.94x = 21,420.04 × 5,517.01
  4. Step 4: Simplify right side
    14,275.94x = 118,174,574.88
  5. Step 5: Solve for x
    x = 118,174,574.88/14,275.94
  6. Step 6: Final answer
    x = 8,277.88

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1.5x scale

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.