Home / 23,381.55-32,266.29-12,771.21

Finding the Fourth Proportional to 23,381.55, 32,266.29 and 12,771.21

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Solution

The fourth proportional to 23,381.55, 32,266.29 and 12,771.21 is: 17,624.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,381.55 : 32,266.29 = 12,771.21 : x
  2. Step 2: Convert to fraction form
    23,381.55/32,266.29 = 12,771.21/x
  3. Step 3: Cross multiply
    23,381.55x = 32,266.29 × 12,771.21
  4. Step 4: Simplify right side
    23,381.55x = 412,079,565.51
  5. Step 5: Solve for x
    x = 412,079,565.51/23,381.55
  6. Step 6: Final answer
    x = 17,624.13

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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.