Home / 25,930.86-35,774.88-16,983.36

Finding the Fourth Proportional to 25,930.86, 35,774.88 and 16,983.36

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Solution

The fourth proportional to 25,930.86, 35,774.88 and 16,983.36 is: 23,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.86 : 35,774.88 = 16,983.36 : x
  2. Step 2: Convert to fraction form
    25,930.86/35,774.88 = 16,983.36/x
  3. Step 3: Cross multiply
    25,930.86x = 35,774.88 × 16,983.36
  4. Step 4: Simplify right side
    25,930.86x = 607,577,666.00
  5. Step 5: Solve for x
    x = 607,577,666.00/25,930.86
  6. Step 6: Final answer
    x = 23,430.68

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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.