Home / 16,957.58-23,402.88-9,406.28

Finding the Fourth Proportional to 16,957.58, 23,402.88 and 9,406.28

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Solution

The fourth proportional to 16,957.58, 23,402.88 and 9,406.28 is: 12,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.58 : 23,402.88 = 9,406.28 : x
  2. Step 2: Convert to fraction form
    16,957.58/23,402.88 = 9,406.28/x
  3. Step 3: Cross multiply
    16,957.58x = 23,402.88 × 9,406.28
  4. Step 4: Simplify right side
    16,957.58x = 220,134,042.09
  5. Step 5: Solve for x
    x = 220,134,042.09/16,957.58
  6. Step 6: Final answer
    x = 12,981.45

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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.