Home / 18,133.68-27,156.24-10,347.60

Finding the Fourth Proportional to 18,133.68, 27,156.24 and 10,347.60

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Solution

The fourth proportional to 18,133.68, 27,156.24 and 10,347.60 is: 15,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.68 : 27,156.24 = 10,347.60 : x
  2. Step 2: Convert to fraction form
    18,133.68/27,156.24 = 10,347.60/x
  3. Step 3: Cross multiply
    18,133.68x = 27,156.24 × 10,347.60
  4. Step 4: Simplify right side
    18,133.68x = 281,001,909.02
  5. Step 5: Solve for x
    x = 281,001,909.02/18,133.68
  6. Step 6: Final answer
    x = 15,496.13

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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.