Home / 15,401.11-21,253.69-10,095.89

Finding the Fourth Proportional to 15,401.11, 21,253.69 and 10,095.89

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Solution

The fourth proportional to 15,401.11, 21,253.69 and 10,095.89 is: 13,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401.11 : 21,253.69 = 10,095.89 : x
  2. Step 2: Convert to fraction form
    15,401.11/21,253.69 = 10,095.89/x
  3. Step 3: Cross multiply
    15,401.11x = 21,253.69 × 10,095.89
  4. Step 4: Simplify right side
    15,401.11x = 214,574,942.24
  5. Step 5: Solve for x
    x = 214,574,942.24/15,401.11
  6. Step 6: Final answer
    x = 13,932.43

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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.