Home / 18,696.29-28,056.60-9,937.35

Finding the Fourth Proportional to 18,696.29, 28,056.60 and 9,937.35

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Solution

The fourth proportional to 18,696.29, 28,056.60 and 9,937.35 is: 14,912.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.29 : 28,056.60 = 9,937.35 : x
  2. Step 2: Convert to fraction form
    18,696.29/28,056.60 = 9,937.35/x
  3. Step 3: Cross multiply
    18,696.29x = 28,056.60 × 9,937.35
  4. Step 4: Simplify right side
    18,696.29x = 278,808,254.01
  5. Step 5: Solve for x
    x = 278,808,254.01/18,696.29
  6. Step 6: Final answer
    x = 14,912.49

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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.