Home / 19,957.28-27,538.46-11,459.76

Finding the Fourth Proportional to 19,957.28, 27,538.46 and 11,459.76

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Solution

The fourth proportional to 19,957.28, 27,538.46 and 11,459.76 is: 15,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.28 : 27,538.46 = 11,459.76 : x
  2. Step 2: Convert to fraction form
    19,957.28/27,538.46 = 11,459.76/x
  3. Step 3: Cross multiply
    19,957.28x = 27,538.46 × 11,459.76
  4. Step 4: Simplify right side
    19,957.28x = 315,584,142.37
  5. Step 5: Solve for x
    x = 315,584,142.37/19,957.28
  6. Step 6: Final answer
    x = 15,812.98

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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.