Home / 55,812.28-83,718.46-14,259.32

Finding the Fourth Proportional to 55,812.28, 83,718.46 and 14,259.32

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Solution

The fourth proportional to 55,812.28, 83,718.46 and 14,259.32 is: 21,388.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,812.28 : 83,718.46 = 14,259.32 : x
  2. Step 2: Convert to fraction form
    55,812.28/83,718.46 = 14,259.32/x
  3. Step 3: Cross multiply
    55,812.28x = 83,718.46 × 14,259.32
  4. Step 4: Simplify right side
    55,812.28x = 1,193,768,311.05
  5. Step 5: Solve for x
    x = 1,193,768,311.05/55,812.28
  6. Step 6: Final answer
    x = 21,388.99

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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.