Home / 27,550.76-38,020.16-14,975.52

Finding the Fourth Proportional to 27,550.76, 38,020.16 and 14,975.52

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Solution

The fourth proportional to 27,550.76, 38,020.16 and 14,975.52 is: 20,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,550.76 : 38,020.16 = 14,975.52 : x
  2. Step 2: Convert to fraction form
    27,550.76/38,020.16 = 14,975.52/x
  3. Step 3: Cross multiply
    27,550.76x = 38,020.16 × 14,975.52
  4. Step 4: Simplify right side
    27,550.76x = 569,371,666.48
  5. Step 5: Solve for x
    x = 569,371,666.48/27,550.76
  6. Step 6: Final answer
    x = 20,666.28

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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.