Home / 26,972.51-40,458.76-9,438.30

Finding the Fourth Proportional to 26,972.51, 40,458.76 and 9,438.30

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Solution

The fourth proportional to 26,972.51, 40,458.76 and 9,438.30 is: 14,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,972.51 : 40,458.76 = 9,438.30 : x
  2. Step 2: Convert to fraction form
    26,972.51/40,458.76 = 9,438.30/x
  3. Step 3: Cross multiply
    26,972.51x = 40,458.76 × 9,438.30
  4. Step 4: Simplify right side
    26,972.51x = 381,861,890.91
  5. Step 5: Solve for x
    x = 381,861,890.91/26,972.51
  6. Step 6: Final answer
    x = 14,157.45

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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.