Home / 50,655.74-75,983.64-13,215.77

Finding the Fourth Proportional to 50,655.74, 75,983.64 and 13,215.77

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Solution

The fourth proportional to 50,655.74, 75,983.64 and 13,215.77 is: 19,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,655.74 : 75,983.64 = 13,215.77 : x
  2. Step 2: Convert to fraction form
    50,655.74/75,983.64 = 13,215.77/x
  3. Step 3: Cross multiply
    50,655.74x = 75,983.64 × 13,215.77
  4. Step 4: Simplify right side
    50,655.74x = 1,004,181,864.01
  5. Step 5: Solve for x
    x = 1,004,181,864.01/50,655.74
  6. Step 6: Final answer
    x = 19,823.65

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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.