Home / 14,148.09-21,222.27-4,288.17

Finding the Fourth Proportional to 14,148.09, 21,222.27 and 4,288.17

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Solution

The fourth proportional to 14,148.09, 21,222.27 and 4,288.17 is: 6,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.09 : 21,222.27 = 4,288.17 : x
  2. Step 2: Convert to fraction form
    14,148.09/21,222.27 = 4,288.17/x
  3. Step 3: Cross multiply
    14,148.09x = 21,222.27 × 4,288.17
  4. Step 4: Simplify right side
    14,148.09x = 91,004,701.55
  5. Step 5: Solve for x
    x = 91,004,701.55/14,148.09
  6. Step 6: Final answer
    x = 6,432.30

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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.