Home / 35,633.05-53,447.64-13,445.89

Finding the Fourth Proportional to 35,633.05, 53,447.64 and 13,445.89

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Solution

The fourth proportional to 35,633.05, 53,447.64 and 13,445.89 is: 20,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,633.05 : 53,447.64 = 13,445.89 : x
  2. Step 2: Convert to fraction form
    35,633.05/53,447.64 = 13,445.89/x
  3. Step 3: Cross multiply
    35,633.05x = 53,447.64 × 13,445.89
  4. Step 4: Simplify right side
    35,633.05x = 718,651,088.20
  5. Step 5: Solve for x
    x = 718,651,088.20/35,633.05
  6. Step 6: Final answer
    x = 20,168.10

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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.