Home / 35,645.24-53,465.42-12,288.08

Finding the Fourth Proportional to 35,645.24, 53,465.42 and 12,288.08

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Solution

The fourth proportional to 35,645.24, 53,465.42 and 12,288.08 is: 18,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.24 : 53,465.42 = 12,288.08 : x
  2. Step 2: Convert to fraction form
    35,645.24/53,465.42 = 12,288.08/x
  3. Step 3: Cross multiply
    35,645.24x = 53,465.42 × 12,288.08
  4. Step 4: Simplify right side
    35,645.24x = 656,987,358.19
  5. Step 5: Solve for x
    x = 656,987,358.19/35,645.24
  6. Step 6: Final answer
    x = 18,431.28

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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.