Home / 27,550.97-38,020.64-14,975.72

Finding the Fourth Proportional to 27,550.97, 38,020.64 and 14,975.72

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Solution

The fourth proportional to 27,550.97, 38,020.64 and 14,975.72 is: 20,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,550.97 : 38,020.64 = 14,975.72 : x
  2. Step 2: Convert to fraction form
    27,550.97/38,020.64 = 14,975.72/x
  3. Step 3: Cross multiply
    27,550.97x = 38,020.64 × 14,975.72
  4. Step 4: Simplify right side
    27,550.97x = 569,386,420.69
  5. Step 5: Solve for x
    x = 569,386,420.69/27,550.97
  6. Step 6: Final answer
    x = 20,666.66

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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.