Home / 13,594.09-18,731.10-12,659.08

Finding the Fourth Proportional to 13,594.09, 18,731.10 and 12,659.08

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Solution

The fourth proportional to 13,594.09, 18,731.10 and 12,659.08 is: 17,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,594.09 : 18,731.10 = 12,659.08 : x
  2. Step 2: Convert to fraction form
    13,594.09/18,731.10 = 12,659.08/x
  3. Step 3: Cross multiply
    13,594.09x = 18,731.10 × 12,659.08
  4. Step 4: Simplify right side
    13,594.09x = 237,118,493.39
  5. Step 5: Solve for x
    x = 237,118,493.39/13,594.09
  6. Step 6: Final answer
    x = 17,442.76

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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.