Home / 16,455.48-24,686.93-7,685.61

Finding the Fourth Proportional to 16,455.48, 24,686.93 and 7,685.61

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Solution

The fourth proportional to 16,455.48, 24,686.93 and 7,685.61 is: 11,530.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.48 : 24,686.93 = 7,685.61 : x
  2. Step 2: Convert to fraction form
    16,455.48/24,686.93 = 7,685.61/x
  3. Step 3: Cross multiply
    16,455.48x = 24,686.93 × 7,685.61
  4. Step 4: Simplify right side
    16,455.48x = 189,734,116.08
  5. Step 5: Solve for x
    x = 189,734,116.08/16,455.48
  6. Step 6: Final answer
    x = 11,530.15

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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.