Home / 14,079.33-21,126.33-10,215.63

Finding the Fourth Proportional to 14,079.33, 21,126.33 and 10,215.63

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Solution

The fourth proportional to 14,079.33, 21,126.33 and 10,215.63 is: 15,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.33 : 21,126.33 = 10,215.63 : x
  2. Step 2: Convert to fraction form
    14,079.33/21,126.33 = 10,215.63/x
  3. Step 3: Cross multiply
    14,079.33x = 21,126.33 × 10,215.63
  4. Step 4: Simplify right side
    14,079.33x = 215,818,770.54
  5. Step 5: Solve for x
    x = 215,818,770.54/14,079.33
  6. Step 6: Final answer
    x = 15,328.77

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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.