Home / 25,423.94-35,083.76-14,243.78

Finding the Fourth Proportional to 25,423.94, 35,083.76 and 14,243.78

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Solution

The fourth proportional to 25,423.94, 35,083.76 and 14,243.78 is: 19,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.94 : 35,083.76 = 14,243.78 : x
  2. Step 2: Convert to fraction form
    25,423.94/35,083.76 = 14,243.78/x
  3. Step 3: Cross multiply
    25,423.94x = 35,083.76 × 14,243.78
  4. Step 4: Simplify right side
    25,423.94x = 499,725,359.01
  5. Step 5: Solve for x
    x = 499,725,359.01/25,423.94
  6. Step 6: Final answer
    x = 19,655.70

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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.