Home / 18,037.40-24,901.98-12,380.36

Finding the Fourth Proportional to 18,037.40, 24,901.98 and 12,380.36

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Solution

The fourth proportional to 18,037.40, 24,901.98 and 12,380.36 is: 17,092.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,037.40 : 24,901.98 = 12,380.36 : x
  2. Step 2: Convert to fraction form
    18,037.40/24,901.98 = 12,380.36/x
  3. Step 3: Cross multiply
    18,037.40x = 24,901.98 × 12,380.36
  4. Step 4: Simplify right side
    18,037.40x = 308,295,477.11
  5. Step 5: Solve for x
    x = 308,295,477.11/18,037.40
  6. Step 6: Final answer
    x = 17,092.01

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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.