Home / 20,924.46-28,875.95-11,493.02

Finding the Fourth Proportional to 20,924.46, 28,875.95 and 11,493.02

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Solution

The fourth proportional to 20,924.46, 28,875.95 and 11,493.02 is: 15,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.46 : 28,875.95 = 11,493.02 : x
  2. Step 2: Convert to fraction form
    20,924.46/28,875.95 = 11,493.02/x
  3. Step 3: Cross multiply
    20,924.46x = 28,875.95 × 11,493.02
  4. Step 4: Simplify right side
    20,924.46x = 331,871,928.69
  5. Step 5: Solve for x
    x = 331,871,928.69/20,924.46
  6. Step 6: Final answer
    x = 15,860.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.