Home / 26,931.36-40,415.50-9,401.19

Finding the Fourth Proportional to 26,931.36, 40,415.50 and 9,401.19

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Solution

The fourth proportional to 26,931.36, 40,415.50 and 9,401.19 is: 14,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.36 : 40,415.50 = 9,401.19 : x
  2. Step 2: Convert to fraction form
    26,931.36/40,415.50 = 9,401.19/x
  3. Step 3: Cross multiply
    26,931.36x = 40,415.50 × 9,401.19
  4. Step 4: Simplify right side
    26,931.36x = 379,953,794.45
  5. Step 5: Solve for x
    x = 379,953,794.45/26,931.36
  6. Step 6: Final answer
    x = 14,108.23

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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.