Home / 26,885.80-40,319.10-9,356.20

Finding the Fourth Proportional to 26,885.80, 40,319.10 and 9,356.20

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Solution

The fourth proportional to 26,885.80, 40,319.10 and 9,356.20 is: 14,030.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,885.80 : 40,319.10 = 9,356.20 : x
  2. Step 2: Convert to fraction form
    26,885.80/40,319.10 = 9,356.20/x
  3. Step 3: Cross multiply
    26,885.80x = 40,319.10 × 9,356.20
  4. Step 4: Simplify right side
    26,885.80x = 377,233,563.42
  5. Step 5: Solve for x
    x = 377,233,563.42/26,885.80
  6. Step 6: Final answer
    x = 14,030.96

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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.