Home / 25,881.92-35,720.32-14,701.76

Finding the Fourth Proportional to 25,881.92, 35,720.32 and 14,701.76

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Solution

The fourth proportional to 25,881.92, 35,720.32 and 14,701.76 is: 20,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.92 : 35,720.32 = 14,701.76 : x
  2. Step 2: Convert to fraction form
    25,881.92/35,720.32 = 14,701.76/x
  3. Step 3: Cross multiply
    25,881.92x = 35,720.32 × 14,701.76
  4. Step 4: Simplify right side
    25,881.92x = 525,151,571.76
  5. Step 5: Solve for x
    x = 525,151,571.76/25,881.92
  6. Step 6: Final answer
    x = 20,290.29

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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.