Home / 25,835.05-35,643.18-16,887.72

Finding the Fourth Proportional to 25,835.05, 35,643.18 and 16,887.72

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Solution

The fourth proportional to 25,835.05, 35,643.18 and 16,887.72 is: 23,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,835.05 : 35,643.18 = 16,887.72 : x
  2. Step 2: Convert to fraction form
    25,835.05/35,643.18 = 16,887.72/x
  3. Step 3: Cross multiply
    25,835.05x = 35,643.18 × 16,887.72
  4. Step 4: Simplify right side
    25,835.05x = 601,932,043.75
  5. Step 5: Solve for x
    x = 601,932,043.75/25,835.05
  6. Step 6: Final answer
    x = 23,299.05

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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.