Home / 21,553.18-32,333.75-9,707.23

Finding the Fourth Proportional to 21,553.18, 32,333.75 and 9,707.23

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Solution

The fourth proportional to 21,553.18, 32,333.75 and 9,707.23 is: 14,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553.18 : 32,333.75 = 9,707.23 : x
  2. Step 2: Convert to fraction form
    21,553.18/32,333.75 = 9,707.23/x
  3. Step 3: Cross multiply
    21,553.18x = 32,333.75 × 9,707.23
  4. Step 4: Simplify right side
    21,553.18x = 313,871,148.01
  5. Step 5: Solve for x
    x = 313,871,148.01/21,553.18
  6. Step 6: Final answer
    x = 14,562.64

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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.