Home / 35,632.80-53,447.27-13,445.64

Finding the Fourth Proportional to 35,632.80, 53,447.27 and 13,445.64

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Solution

The fourth proportional to 35,632.80, 53,447.27 and 13,445.64 is: 20,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,632.80 : 53,447.27 = 13,445.64 : x
  2. Step 2: Convert to fraction form
    35,632.80/53,447.27 = 13,445.64/x
  3. Step 3: Cross multiply
    35,632.80x = 53,447.27 × 13,445.64
  4. Step 4: Simplify right side
    35,632.80x = 718,632,684.17
  5. Step 5: Solve for x
    x = 718,632,684.17/35,632.80
  6. Step 6: Final answer
    x = 20,167.73

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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.