Home / 55,688.55-83,532.96-13,568.64

Finding the Fourth Proportional to 55,688.55, 83,532.96 and 13,568.64

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Solution

The fourth proportional to 55,688.55, 83,532.96 and 13,568.64 is: 20,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,688.55 : 83,532.96 = 13,568.64 : x
  2. Step 2: Convert to fraction form
    55,688.55/83,532.96 = 13,568.64/x
  3. Step 3: Cross multiply
    55,688.55x = 83,532.96 × 13,568.64
  4. Step 4: Simplify right side
    55,688.55x = 1,133,428,662.37
  5. Step 5: Solve for x
    x = 1,133,428,662.37/55,688.55
  6. Step 6: Final answer
    x = 20,352.99

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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.