Home / 16,957.53-23,403.80-9,405.54

Finding the Fourth Proportional to 16,957.53, 23,403.80 and 9,405.54

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Solution

The fourth proportional to 16,957.53, 23,403.80 and 9,405.54 is: 12,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.53 : 23,403.80 = 9,405.54 : x
  2. Step 2: Convert to fraction form
    16,957.53/23,403.80 = 9,405.54/x
  3. Step 3: Cross multiply
    16,957.53x = 23,403.80 × 9,405.54
  4. Step 4: Simplify right side
    16,957.53x = 220,125,377.05
  5. Step 5: Solve for x
    x = 220,125,377.05/16,957.53
  6. Step 6: Final answer
    x = 12,980.98

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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.