Home / 23,130.96-34,667.64-12,031.80

Finding the Fourth Proportional to 23,130.96, 34,667.64 and 12,031.80

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Solution

The fourth proportional to 23,130.96, 34,667.64 and 12,031.80 is: 18,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.96 : 34,667.64 = 12,031.80 : x
  2. Step 2: Convert to fraction form
    23,130.96/34,667.64 = 12,031.80/x
  3. Step 3: Cross multiply
    23,130.96x = 34,667.64 × 12,031.80
  4. Step 4: Simplify right side
    23,130.96x = 417,114,110.95
  5. Step 5: Solve for x
    x = 417,114,110.95/23,130.96
  6. Step 6: Final answer
    x = 18,032.72

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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.