Home / 55,576.86-83,365.29-18,666.78

Finding the Fourth Proportional to 55,576.86, 83,365.29 and 18,666.78

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Solution

The fourth proportional to 55,576.86, 83,365.29 and 18,666.78 is: 28,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,576.86 : 83,365.29 = 18,666.78 : x
  2. Step 2: Convert to fraction form
    55,576.86/83,365.29 = 18,666.78/x
  3. Step 3: Cross multiply
    55,576.86x = 83,365.29 × 18,666.78
  4. Step 4: Simplify right side
    55,576.86x = 1,556,161,528.07
  5. Step 5: Solve for x
    x = 1,556,161,528.07/55,576.86
  6. Step 6: Final answer
    x = 28,000.17

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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.