Home / 26,931.67-40,397.70-9,401.51

Finding the Fourth Proportional to 26,931.67, 40,397.70 and 9,401.51

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Solution

The fourth proportional to 26,931.67, 40,397.70 and 9,401.51 is: 14,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.67 : 40,397.70 = 9,401.51 : x
  2. Step 2: Convert to fraction form
    26,931.67/40,397.70 = 9,401.51/x
  3. Step 3: Cross multiply
    26,931.67x = 40,397.70 × 9,401.51
  4. Step 4: Simplify right side
    26,931.67x = 379,799,380.53
  5. Step 5: Solve for x
    x = 379,799,380.53/26,931.67
  6. Step 6: Final answer
    x = 14,102.33

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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.