Home / 27,148.23-37,464.12-15,211.50

Finding the Fourth Proportional to 27,148.23, 37,464.12 and 15,211.50

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Solution

The fourth proportional to 27,148.23, 37,464.12 and 15,211.50 is: 20,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.23 : 37,464.12 = 15,211.50 : x
  2. Step 2: Convert to fraction form
    27,148.23/37,464.12 = 15,211.50/x
  3. Step 3: Cross multiply
    27,148.23x = 37,464.12 × 15,211.50
  4. Step 4: Simplify right side
    27,148.23x = 569,885,461.38
  5. Step 5: Solve for x
    x = 569,885,461.38/27,148.23
  6. Step 6: Final answer
    x = 20,991.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.