Home / 15,752.45-21,739.23-9,038.03

Finding the Fourth Proportional to 15,752.45, 21,739.23 and 9,038.03

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Solution

The fourth proportional to 15,752.45, 21,739.23 and 9,038.03 is: 12,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,752.45 : 21,739.23 = 9,038.03 : x
  2. Step 2: Convert to fraction form
    15,752.45/21,739.23 = 9,038.03/x
  3. Step 3: Cross multiply
    15,752.45x = 21,739.23 × 9,038.03
  4. Step 4: Simplify right side
    15,752.45x = 196,479,704.22
  5. Step 5: Solve for x
    x = 196,479,704.22/15,752.45
  6. Step 6: Final answer
    x = 12,472.97

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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.