Home / 27,556.29-38,027.61-14,981.04

Finding the Fourth Proportional to 27,556.29, 38,027.61 and 14,981.04

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Solution

The fourth proportional to 27,556.29, 38,027.61 and 14,981.04 is: 20,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.29 : 38,027.61 = 14,981.04 : x
  2. Step 2: Convert to fraction form
    27,556.29/38,027.61 = 14,981.04/x
  3. Step 3: Cross multiply
    27,556.29x = 38,027.61 × 14,981.04
  4. Step 4: Simplify right side
    27,556.29x = 569,693,146.51
  5. Step 5: Solve for x
    x = 569,693,146.51/27,556.29
  6. Step 6: Final answer
    x = 20,673.80

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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.