Home / 35,905.68-53,871.48-12,535.56

Finding the Fourth Proportional to 35,905.68, 53,871.48 and 12,535.56

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Solution

The fourth proportional to 35,905.68, 53,871.48 and 12,535.56 is: 18,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.68 : 53,871.48 = 12,535.56 : x
  2. Step 2: Convert to fraction form
    35,905.68/53,871.48 = 12,535.56/x
  3. Step 3: Cross multiply
    35,905.68x = 53,871.48 × 12,535.56
  4. Step 4: Simplify right side
    35,905.68x = 675,309,169.83
  5. Step 5: Solve for x
    x = 675,309,169.83/35,905.68
  6. Step 6: Final answer
    x = 18,807.86

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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.