Home / 16,505.61-22,777.31-9,432.03

Finding the Fourth Proportional to 16,505.61, 22,777.31 and 9,432.03

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Solution

The fourth proportional to 16,505.61, 22,777.31 and 9,432.03 is: 13,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,505.61 : 22,777.31 = 9,432.03 : x
  2. Step 2: Convert to fraction form
    16,505.61/22,777.31 = 9,432.03/x
  3. Step 3: Cross multiply
    16,505.61x = 22,777.31 × 9,432.03
  4. Step 4: Simplify right side
    16,505.61x = 214,836,271.24
  5. Step 5: Solve for x
    x = 214,836,271.24/16,505.61
  6. Step 6: Final answer
    x = 13,015.95

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1.5x scale

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.