Home / 27,492.40-37,939.36-14,917.12

Finding the Fourth Proportional to 27,492.40, 37,939.36 and 14,917.12

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Solution

The fourth proportional to 27,492.40, 37,939.36 and 14,917.12 is: 20,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,492.40 : 37,939.36 = 14,917.12 : x
  2. Step 2: Convert to fraction form
    27,492.40/37,939.36 = 14,917.12/x
  3. Step 3: Cross multiply
    27,492.40x = 37,939.36 × 14,917.12
  4. Step 4: Simplify right side
    27,492.40x = 565,945,985.84
  5. Step 5: Solve for x
    x = 565,945,985.84/27,492.40
  6. Step 6: Final answer
    x = 20,585.54

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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.