Home / 18,423.27-25,424.15-10,039.77

Finding the Fourth Proportional to 18,423.27, 25,424.15 and 10,039.77

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Solution

The fourth proportional to 18,423.27, 25,424.15 and 10,039.77 is: 13,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.27 : 25,424.15 = 10,039.77 : x
  2. Step 2: Convert to fraction form
    18,423.27/25,424.15 = 10,039.77/x
  3. Step 3: Cross multiply
    18,423.27x = 25,424.15 × 10,039.77
  4. Step 4: Simplify right side
    18,423.27x = 255,252,618.45
  5. Step 5: Solve for x
    x = 255,252,618.45/18,423.27
  6. Step 6: Final answer
    x = 13,854.90

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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.