Home / 14,509.56-20,001.42-11,360.28

Finding the Fourth Proportional to 14,509.56, 20,001.42 and 11,360.28

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Solution

The fourth proportional to 14,509.56, 20,001.42 and 11,360.28 is: 15,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.56 : 20,001.42 = 11,360.28 : x
  2. Step 2: Convert to fraction form
    14,509.56/20,001.42 = 11,360.28/x
  3. Step 3: Cross multiply
    14,509.56x = 20,001.42 × 11,360.28
  4. Step 4: Simplify right side
    14,509.56x = 227,221,731.60
  5. Step 5: Solve for x
    x = 227,221,731.60/14,509.56
  6. Step 6: Final answer
    x = 15,660.14

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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.