Home / 25,887.39-35,725.40-16,814.99

Finding the Fourth Proportional to 25,887.39, 35,725.40 and 16,814.99

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Solution

The fourth proportional to 25,887.39, 35,725.40 and 16,814.99 is: 23,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,887.39 : 35,725.40 = 16,814.99 : x
  2. Step 2: Convert to fraction form
    25,887.39/35,725.40 = 16,814.99/x
  3. Step 3: Cross multiply
    25,887.39x = 35,725.40 × 16,814.99
  4. Step 4: Simplify right side
    25,887.39x = 600,721,981.04
  5. Step 5: Solve for x
    x = 600,721,981.04/25,887.39
  6. Step 6: Final answer
    x = 23,205.20

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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.