Home / 13,031.63-17,998.49-8,832.59

Finding the Fourth Proportional to 13,031.63, 17,998.49 and 8,832.59

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Solution

The fourth proportional to 13,031.63, 17,998.49 and 8,832.59 is: 12,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.63 : 17,998.49 = 8,832.59 : x
  2. Step 2: Convert to fraction form
    13,031.63/17,998.49 = 8,832.59/x
  3. Step 3: Cross multiply
    13,031.63x = 17,998.49 × 8,832.59
  4. Step 4: Simplify right side
    13,031.63x = 158,973,282.79
  5. Step 5: Solve for x
    x = 158,973,282.79/13,031.63
  6. Step 6: Final answer
    x = 12,199.03

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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.