Home / 27,016.72-40,539.63-13,165.72

Finding the Fourth Proportional to 27,016.72, 40,539.63 and 13,165.72

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Solution

The fourth proportional to 27,016.72, 40,539.63 and 13,165.72 is: 19,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,016.72 : 40,539.63 = 13,165.72 : x
  2. Step 2: Convert to fraction form
    27,016.72/40,539.63 = 13,165.72/x
  3. Step 3: Cross multiply
    27,016.72x = 40,539.63 × 13,165.72
  4. Step 4: Simplify right side
    27,016.72x = 533,733,417.48
  5. Step 5: Solve for x
    x = 533,733,417.48/27,016.72
  6. Step 6: Final answer
    x = 19,755.67

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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.