Home / 27,666.69-41,419.29-20,582.36

Finding the Fourth Proportional to 27,666.69, 41,419.29 and 20,582.36

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Solution

The fourth proportional to 27,666.69, 41,419.29 and 20,582.36 is: 30,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,666.69 : 41,419.29 = 20,582.36 : x
  2. Step 2: Convert to fraction form
    27,666.69/41,419.29 = 20,582.36/x
  3. Step 3: Cross multiply
    27,666.69x = 41,419.29 × 20,582.36
  4. Step 4: Simplify right side
    27,666.69x = 852,506,737.72
  5. Step 5: Solve for x
    x = 852,506,737.72/27,666.69
  6. Step 6: Final answer
    x = 30,813.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.