Home / 13,268.54-19,785.75-13,150.10

Finding the Fourth Proportional to 13,268.54, 19,785.75 and 13,150.10

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Solution

The fourth proportional to 13,268.54, 19,785.75 and 13,150.10 is: 19,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.54 : 19,785.75 = 13,150.10 : x
  2. Step 2: Convert to fraction form
    13,268.54/19,785.75 = 13,150.10/x
  3. Step 3: Cross multiply
    13,268.54x = 19,785.75 × 13,150.10
  4. Step 4: Simplify right side
    13,268.54x = 260,184,591.08
  5. Step 5: Solve for x
    x = 260,184,591.08/13,268.54
  6. Step 6: Final answer
    x = 19,609.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.