Home / 23,381.88-32,269.23-13,312.77

Finding the Fourth Proportional to 23,381.88, 32,269.23 and 13,312.77

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Solution

The fourth proportional to 23,381.88, 32,269.23 and 13,312.77 is: 18,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,381.88 : 32,269.23 = 13,312.77 : x
  2. Step 2: Convert to fraction form
    23,381.88/32,269.23 = 13,312.77/x
  3. Step 3: Cross multiply
    23,381.88x = 32,269.23 × 13,312.77
  4. Step 4: Simplify right side
    23,381.88x = 429,592,837.07
  5. Step 5: Solve for x
    x = 429,592,837.07/23,381.88
  6. Step 6: Final answer
    x = 18,372.90

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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.