Home / 18,826.32-25,985.40-11,748.48

Finding the Fourth Proportional to 18,826.32, 25,985.40 and 11,748.48

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Solution

The fourth proportional to 18,826.32, 25,985.40 and 11,748.48 is: 16,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.32 : 25,985.40 = 11,748.48 : x
  2. Step 2: Convert to fraction form
    18,826.32/25,985.40 = 11,748.48/x
  3. Step 3: Cross multiply
    18,826.32x = 25,985.40 × 11,748.48
  4. Step 4: Simplify right side
    18,826.32x = 305,288,952.19
  5. Step 5: Solve for x
    x = 305,288,952.19/18,826.32
  6. Step 6: Final answer
    x = 16,216.07

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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.