Home / 15,632.92-21,574.14-9,659.98

Finding the Fourth Proportional to 15,632.92, 21,574.14 and 9,659.98

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Solution

The fourth proportional to 15,632.92, 21,574.14 and 9,659.98 is: 13,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.92 : 21,574.14 = 9,659.98 : x
  2. Step 2: Convert to fraction form
    15,632.92/21,574.14 = 9,659.98/x
  3. Step 3: Cross multiply
    15,632.92x = 21,574.14 × 9,659.98
  4. Step 4: Simplify right side
    15,632.92x = 208,405,760.92
  5. Step 5: Solve for x
    x = 208,405,760.92/15,632.92
  6. Step 6: Final answer
    x = 13,331.21

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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.