Home / 37,312.72-55,969.08-12,346.06

Finding the Fourth Proportional to 37,312.72, 55,969.08 and 12,346.06

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Solution

The fourth proportional to 37,312.72, 55,969.08 and 12,346.06 is: 18,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,312.72 : 55,969.08 = 12,346.06 : x
  2. Step 2: Convert to fraction form
    37,312.72/55,969.08 = 12,346.06/x
  3. Step 3: Cross multiply
    37,312.72x = 55,969.08 × 12,346.06
  4. Step 4: Simplify right side
    37,312.72x = 690,997,619.82
  5. Step 5: Solve for x
    x = 690,997,619.82/37,312.72
  6. Step 6: Final answer
    x = 18,519.09

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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.