Home / 27,564.71-38,039.22-14,989.46

Finding the Fourth Proportional to 27,564.71, 38,039.22 and 14,989.46

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Solution

The fourth proportional to 27,564.71, 38,039.22 and 14,989.46 is: 20,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,564.71 : 38,039.22 = 14,989.46 : x
  2. Step 2: Convert to fraction form
    27,564.71/38,039.22 = 14,989.46/x
  3. Step 3: Cross multiply
    27,564.71x = 38,039.22 × 14,989.46
  4. Step 4: Simplify right side
    27,564.71x = 570,187,176.43
  5. Step 5: Solve for x
    x = 570,187,176.43/27,564.71
  6. Step 6: Final answer
    x = 20,685.41

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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.