Home / 18,835.14-25,996.08-12,461.86

Finding the Fourth Proportional to 18,835.14, 25,996.08 and 12,461.86

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Solution

The fourth proportional to 18,835.14, 25,996.08 and 12,461.86 is: 17,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.14 : 25,996.08 = 12,461.86 : x
  2. Step 2: Convert to fraction form
    18,835.14/25,996.08 = 12,461.86/x
  3. Step 3: Cross multiply
    18,835.14x = 25,996.08 × 12,461.86
  4. Step 4: Simplify right side
    18,835.14x = 323,959,509.51
  5. Step 5: Solve for x
    x = 323,959,509.51/18,835.14
  6. Step 6: Final answer
    x = 17,199.74

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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.