Home / 15,362.34-21,198.15-10,648.14

Finding the Fourth Proportional to 15,362.34, 21,198.15 and 10,648.14

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Solution

The fourth proportional to 15,362.34, 21,198.15 and 10,648.14 is: 14,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.34 : 21,198.15 = 10,648.14 : x
  2. Step 2: Convert to fraction form
    15,362.34/21,198.15 = 10,648.14/x
  3. Step 3: Cross multiply
    15,362.34x = 21,198.15 × 10,648.14
  4. Step 4: Simplify right side
    15,362.34x = 225,720,868.94
  5. Step 5: Solve for x
    x = 225,720,868.94/15,362.34
  6. Step 6: Final answer
    x = 14,693.13

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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.