Home / 27,018.58-37,288.45-15,086.02

Finding the Fourth Proportional to 27,018.58, 37,288.45 and 15,086.02

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Solution

The fourth proportional to 27,018.58, 37,288.45 and 15,086.02 is: 20,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.58 : 37,288.45 = 15,086.02 : x
  2. Step 2: Convert to fraction form
    27,018.58/37,288.45 = 15,086.02/x
  3. Step 3: Cross multiply
    27,018.58x = 37,288.45 × 15,086.02
  4. Step 4: Simplify right side
    27,018.58x = 562,534,302.47
  5. Step 5: Solve for x
    x = 562,534,302.47/27,018.58
  6. Step 6: Final answer
    x = 20,820.28

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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.