Home / 18,527.40-27,756.26-9,156.52

Finding the Fourth Proportional to 18,527.40, 27,756.26 and 9,156.52

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Solution

The fourth proportional to 18,527.40, 27,756.26 and 9,156.52 is: 13,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.40 : 27,756.26 = 9,156.52 : x
  2. Step 2: Convert to fraction form
    18,527.40/27,756.26 = 9,156.52/x
  3. Step 3: Cross multiply
    18,527.40x = 27,756.26 × 9,156.52
  4. Step 4: Simplify right side
    18,527.40x = 254,150,749.82
  5. Step 5: Solve for x
    x = 254,150,749.82/18,527.40
  6. Step 6: Final answer
    x = 13,717.56

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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.