Home / 18,511.64-25,545.99-10,013.77

Finding the Fourth Proportional to 18,511.64, 25,545.99 and 10,013.77

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Solution

The fourth proportional to 18,511.64, 25,545.99 and 10,013.77 is: 13,818.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.64 : 25,545.99 = 10,013.77 : x
  2. Step 2: Convert to fraction form
    18,511.64/25,545.99 = 10,013.77/x
  3. Step 3: Cross multiply
    18,511.64x = 25,545.99 × 10,013.77
  4. Step 4: Simplify right side
    18,511.64x = 255,811,668.28
  5. Step 5: Solve for x
    x = 255,811,668.28/18,511.64
  6. Step 6: Final answer
    x = 13,818.96

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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.