Home / 27,152.01-40,731.05-12,358.98

Finding the Fourth Proportional to 27,152.01, 40,731.05 and 12,358.98

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Solution

The fourth proportional to 27,152.01, 40,731.05 and 12,358.98 is: 18,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.01 : 40,731.05 = 12,358.98 : x
  2. Step 2: Convert to fraction form
    27,152.01/40,731.05 = 12,358.98/x
  3. Step 3: Cross multiply
    27,152.01x = 40,731.05 × 12,358.98
  4. Step 4: Simplify right side
    27,152.01x = 503,394,263.23
  5. Step 5: Solve for x
    x = 503,394,263.23/27,152.01
  6. Step 6: Final answer
    x = 18,539.85

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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.