Home / 18,298.32-25,251.77-9,914.82

Finding the Fourth Proportional to 18,298.32, 25,251.77 and 9,914.82

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Solution

The fourth proportional to 18,298.32, 25,251.77 and 9,914.82 is: 13,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.32 : 25,251.77 = 9,914.82 : x
  2. Step 2: Convert to fraction form
    18,298.32/25,251.77 = 9,914.82/x
  3. Step 3: Cross multiply
    18,298.32x = 25,251.77 × 9,914.82
  4. Step 4: Simplify right side
    18,298.32x = 250,366,779.02
  5. Step 5: Solve for x
    x = 250,366,779.02/18,298.32
  6. Step 6: Final answer
    x = 13,682.50

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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.