Home / 14,869.94-20,509.76-12,628.27

Finding the Fourth Proportional to 14,869.94, 20,509.76 and 12,628.27

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Solution

The fourth proportional to 14,869.94, 20,509.76 and 12,628.27 is: 17,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.94 : 20,509.76 = 12,628.27 : x
  2. Step 2: Convert to fraction form
    14,869.94/20,509.76 = 12,628.27/x
  3. Step 3: Cross multiply
    14,869.94x = 20,509.76 × 12,628.27
  4. Step 4: Simplify right side
    14,869.94x = 259,002,693.24
  5. Step 5: Solve for x
    x = 259,002,693.24/14,869.94
  6. Step 6: Final answer
    x = 17,417.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.