Home / 35,955.23-53,940.63-13,768.61

Finding the Fourth Proportional to 35,955.23, 53,940.63 and 13,768.61

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Solution

The fourth proportional to 35,955.23, 53,940.63 and 13,768.61 is: 20,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,955.23 : 53,940.63 = 13,768.61 : x
  2. Step 2: Convert to fraction form
    35,955.23/53,940.63 = 13,768.61/x
  3. Step 3: Cross multiply
    35,955.23x = 53,940.63 × 13,768.61
  4. Step 4: Simplify right side
    35,955.23x = 742,687,277.96
  5. Step 5: Solve for x
    x = 742,687,277.96/35,955.23
  6. Step 6: Final answer
    x = 20,655.89

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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.