Home / 35,639.56-53,466.00-13,156.09

Finding the Fourth Proportional to 35,639.56, 53,466.00 and 13,156.09

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Solution

The fourth proportional to 35,639.56, 53,466.00 and 13,156.09 is: 19,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639.56 : 53,466.00 = 13,156.09 : x
  2. Step 2: Convert to fraction form
    35,639.56/53,466.00 = 13,156.09/x
  3. Step 3: Cross multiply
    35,639.56x = 53,466.00 × 13,156.09
  4. Step 4: Simplify right side
    35,639.56x = 703,403,305.55
  5. Step 5: Solve for x
    x = 703,403,305.55/35,639.56
  6. Step 6: Final answer
    x = 19,736.59

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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.