Home / 18,500.07-25,528.63-10,540.74

Finding the Fourth Proportional to 18,500.07, 25,528.63 and 10,540.74

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Solution

The fourth proportional to 18,500.07, 25,528.63 and 10,540.74 is: 14,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.07 : 25,528.63 = 10,540.74 : x
  2. Step 2: Convert to fraction form
    18,500.07/25,528.63 = 10,540.74/x
  3. Step 3: Cross multiply
    18,500.07x = 25,528.63 × 10,540.74
  4. Step 4: Simplify right side
    18,500.07x = 269,090,651.39
  5. Step 5: Solve for x
    x = 269,090,651.39/18,500.07
  6. Step 6: Final answer
    x = 14,545.39

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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.