Home / 26,937.90-40,406.85-9,407.88

Finding the Fourth Proportional to 26,937.90, 40,406.85 and 9,407.88

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Solution

The fourth proportional to 26,937.90, 40,406.85 and 9,407.88 is: 14,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,937.90 : 40,406.85 = 9,407.88 : x
  2. Step 2: Convert to fraction form
    26,937.90/40,406.85 = 9,407.88/x
  3. Step 3: Cross multiply
    26,937.90x = 40,406.85 × 9,407.88
  4. Step 4: Simplify right side
    26,937.90x = 380,142,795.98
  5. Step 5: Solve for x
    x = 380,142,795.98/26,937.90
  6. Step 6: Final answer
    x = 14,111.82

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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.