Home / 15,383.39-21,229.29-9,095.76

Finding the Fourth Proportional to 15,383.39, 21,229.29 and 9,095.76

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Solution

The fourth proportional to 15,383.39, 21,229.29 and 9,095.76 is: 12,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.39 : 21,229.29 = 9,095.76 : x
  2. Step 2: Convert to fraction form
    15,383.39/21,229.29 = 9,095.76/x
  3. Step 3: Cross multiply
    15,383.39x = 21,229.29 × 9,095.76
  4. Step 4: Simplify right side
    15,383.39x = 193,096,526.81
  5. Step 5: Solve for x
    x = 193,096,526.81/15,383.39
  6. Step 6: Final answer
    x = 12,552.28

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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.