Home / 23,278.79-32,125.21-12,669.11

Finding the Fourth Proportional to 23,278.79, 32,125.21 and 12,669.11

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Solution

The fourth proportional to 23,278.79, 32,125.21 and 12,669.11 is: 17,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.79 : 32,125.21 = 12,669.11 : x
  2. Step 2: Convert to fraction form
    23,278.79/32,125.21 = 12,669.11/x
  3. Step 3: Cross multiply
    23,278.79x = 32,125.21 × 12,669.11
  4. Step 4: Simplify right side
    23,278.79x = 406,997,747.43
  5. Step 5: Solve for x
    x = 406,997,747.43/23,278.79
  6. Step 6: Final answer
    x = 17,483.63

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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.