Home / 20,502.24-30,762.52-9,966.48

Finding the Fourth Proportional to 20,502.24, 30,762.52 and 9,966.48

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Solution

The fourth proportional to 20,502.24, 30,762.52 and 9,966.48 is: 14,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.24 : 30,762.52 = 9,966.48 : x
  2. Step 2: Convert to fraction form
    20,502.24/30,762.52 = 9,966.48/x
  3. Step 3: Cross multiply
    20,502.24x = 30,762.52 × 9,966.48
  4. Step 4: Simplify right side
    20,502.24x = 306,594,040.33
  5. Step 5: Solve for x
    x = 306,594,040.33/20,502.24
  6. Step 6: Final answer
    x = 14,954.17

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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.