Home / 16,957.18-23,400.47-9,403.49

Finding the Fourth Proportional to 16,957.18, 23,400.47 and 9,403.49

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Solution

The fourth proportional to 16,957.18, 23,400.47 and 9,403.49 is: 12,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.18 : 23,400.47 = 9,403.49 : x
  2. Step 2: Convert to fraction form
    16,957.18/23,400.47 = 9,403.49/x
  3. Step 3: Cross multiply
    16,957.18x = 23,400.47 × 9,403.49
  4. Step 4: Simplify right side
    16,957.18x = 220,046,114.76
  5. Step 5: Solve for x
    x = 220,046,114.76/16,957.18
  6. Step 6: Final answer
    x = 12,976.57

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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.