Home / 18,303.03-27,444.83-12,461.31

Finding the Fourth Proportional to 18,303.03, 27,444.83 and 12,461.31

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Solution

The fourth proportional to 18,303.03, 27,444.83 and 12,461.31 is: 18,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.03 : 27,444.83 = 12,461.31 : x
  2. Step 2: Convert to fraction form
    18,303.03/27,444.83 = 12,461.31/x
  3. Step 3: Cross multiply
    18,303.03x = 27,444.83 × 12,461.31
  4. Step 4: Simplify right side
    18,303.03x = 341,998,472.22
  5. Step 5: Solve for x
    x = 341,998,472.22/18,303.03
  6. Step 6: Final answer
    x = 18,685.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.