Home / 16,485.77-24,731.84-5,389.47

Finding the Fourth Proportional to 16,485.77, 24,731.84 and 5,389.47

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Solution

The fourth proportional to 16,485.77, 24,731.84 and 5,389.47 is: 8,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,485.77 : 24,731.84 = 5,389.47 : x
  2. Step 2: Convert to fraction form
    16,485.77/24,731.84 = 5,389.47/x
  3. Step 3: Cross multiply
    16,485.77x = 24,731.84 × 5,389.47
  4. Step 4: Simplify right side
    16,485.77x = 133,291,523.20
  5. Step 5: Solve for x
    x = 133,291,523.20/16,485.77
  6. Step 6: Final answer
    x = 8,085.25

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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.