Home / 18,806.48-25,953.96-10,423.76

Finding the Fourth Proportional to 18,806.48, 25,953.96 and 10,423.76

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Solution

The fourth proportional to 18,806.48, 25,953.96 and 10,423.76 is: 14,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.48 : 25,953.96 = 10,423.76 : x
  2. Step 2: Convert to fraction form
    18,806.48/25,953.96 = 10,423.76/x
  3. Step 3: Cross multiply
    18,806.48x = 25,953.96 × 10,423.76
  4. Step 4: Simplify right side
    18,806.48x = 270,537,850.09
  5. Step 5: Solve for x
    x = 270,537,850.09/18,806.48
  6. Step 6: Final answer
    x = 14,385.35

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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.