Home / 27,550.92-38,020.10-14,975.66

Finding the Fourth Proportional to 27,550.92, 38,020.10 and 14,975.66

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Solution

The fourth proportional to 27,550.92, 38,020.10 and 14,975.66 is: 20,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,550.92 : 38,020.10 = 14,975.66 : x
  2. Step 2: Convert to fraction form
    27,550.92/38,020.10 = 14,975.66/x
  3. Step 3: Cross multiply
    27,550.92x = 38,020.10 × 14,975.66
  4. Step 4: Simplify right side
    27,550.92x = 569,376,090.77
  5. Step 5: Solve for x
    x = 569,376,090.77/27,550.92
  6. Step 6: Final answer
    x = 20,666.32

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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.