Home / 15,903.01-21,956.24-10,239.85

Finding the Fourth Proportional to 15,903.01, 21,956.24 and 10,239.85

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Solution

The fourth proportional to 15,903.01, 21,956.24 and 10,239.85 is: 14,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.01 : 21,956.24 = 10,239.85 : x
  2. Step 2: Convert to fraction form
    15,903.01/21,956.24 = 10,239.85/x
  3. Step 3: Cross multiply
    15,903.01x = 21,956.24 × 10,239.85
  4. Step 4: Simplify right side
    15,903.01x = 224,828,604.16
  5. Step 5: Solve for x
    x = 224,828,604.16/15,903.01
  6. Step 6: Final answer
    x = 14,137.49

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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.