Home / 23,271.09-32,114.49-12,660.78

Finding the Fourth Proportional to 23,271.09, 32,114.49 and 12,660.78

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Solution

The fourth proportional to 23,271.09, 32,114.49 and 12,660.78 is: 17,472.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,271.09 : 32,114.49 = 12,660.78 : x
  2. Step 2: Convert to fraction form
    23,271.09/32,114.49 = 12,660.78/x
  3. Step 3: Cross multiply
    23,271.09x = 32,114.49 × 12,660.78
  4. Step 4: Simplify right side
    23,271.09x = 406,594,492.70
  5. Step 5: Solve for x
    x = 406,594,492.70/23,271.09
  6. Step 6: Final answer
    x = 17,472.09

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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.