Home / 35,439.05-53,168.16-13,254.66

Finding the Fourth Proportional to 35,439.05, 53,168.16 and 13,254.66

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Solution

The fourth proportional to 35,439.05, 53,168.16 and 13,254.66 is: 19,885.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.05 : 53,168.16 = 13,254.66 : x
  2. Step 2: Convert to fraction form
    35,439.05/53,168.16 = 13,254.66/x
  3. Step 3: Cross multiply
    35,439.05x = 53,168.16 × 13,254.66
  4. Step 4: Simplify right side
    35,439.05x = 704,725,883.63
  5. Step 5: Solve for x
    x = 704,725,883.63/35,439.05
  6. Step 6: Final answer
    x = 19,885.58

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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.