Home / 27,492.45-37,939.69-14,917.20

Finding the Fourth Proportional to 27,492.45, 37,939.69 and 14,917.20

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Solution

The fourth proportional to 27,492.45, 37,939.69 and 14,917.20 is: 20,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,492.45 : 37,939.69 = 14,917.20 : x
  2. Step 2: Convert to fraction form
    27,492.45/37,939.69 = 14,917.20/x
  3. Step 3: Cross multiply
    27,492.45x = 37,939.69 × 14,917.20
  4. Step 4: Simplify right side
    27,492.45x = 565,953,943.67
  5. Step 5: Solve for x
    x = 565,953,943.67/27,492.45
  6. Step 6: Final answer
    x = 20,585.80

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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.