Home / 55,259.74-82,889.61-15,816.99

Finding the Fourth Proportional to 55,259.74, 82,889.61 and 15,816.99

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Solution

The fourth proportional to 55,259.74, 82,889.61 and 15,816.99 is: 23,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,259.74 : 82,889.61 = 15,816.99 : x
  2. Step 2: Convert to fraction form
    55,259.74/82,889.61 = 15,816.99/x
  3. Step 3: Cross multiply
    55,259.74x = 82,889.61 × 15,816.99
  4. Step 4: Simplify right side
    55,259.74x = 1,311,064,132.47
  5. Step 5: Solve for x
    x = 1,311,064,132.47/55,259.74
  6. Step 6: Final answer
    x = 23,725.49

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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.