Home / 23,113.03-31,885.85-13,548.07

Finding the Fourth Proportional to 23,113.03, 31,885.85 and 13,548.07

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Solution

The fourth proportional to 23,113.03, 31,885.85 and 13,548.07 is: 18,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,113.03 : 31,885.85 = 13,548.07 : x
  2. Step 2: Convert to fraction form
    23,113.03/31,885.85 = 13,548.07/x
  3. Step 3: Cross multiply
    23,113.03x = 31,885.85 × 13,548.07
  4. Step 4: Simplify right side
    23,113.03x = 431,991,500.64
  5. Step 5: Solve for x
    x = 431,991,500.64/23,113.03
  6. Step 6: Final answer
    x = 18,690.39

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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.