Home / 27,556.13-38,027.73-14,981.15

Finding the Fourth Proportional to 27,556.13, 38,027.73 and 14,981.15

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Solution

The fourth proportional to 27,556.13, 38,027.73 and 14,981.15 is: 20,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.13 : 38,027.73 = 14,981.15 : x
  2. Step 2: Convert to fraction form
    27,556.13/38,027.73 = 14,981.15/x
  3. Step 3: Cross multiply
    27,556.13x = 38,027.73 × 14,981.15
  4. Step 4: Simplify right side
    27,556.13x = 569,698,937.15
  5. Step 5: Solve for x
    x = 569,698,937.15/27,556.13
  6. Step 6: Final answer
    x = 20,674.13

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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.