Home / 26,222.48-39,312.39-12,191.36

Finding the Fourth Proportional to 26,222.48, 39,312.39 and 12,191.36

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Solution

The fourth proportional to 26,222.48, 39,312.39 and 12,191.36 is: 18,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,222.48 : 39,312.39 = 12,191.36 : x
  2. Step 2: Convert to fraction form
    26,222.48/39,312.39 = 12,191.36/x
  3. Step 3: Cross multiply
    26,222.48x = 39,312.39 × 12,191.36
  4. Step 4: Simplify right side
    26,222.48x = 479,271,500.66
  5. Step 5: Solve for x
    x = 479,271,500.66/26,222.48
  6. Step 6: Final answer
    x = 18,277.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.