Home / 20,532.59-28,328.03-16,749.23

Finding the Fourth Proportional to 20,532.59, 28,328.03 and 16,749.23

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Solution

The fourth proportional to 20,532.59, 28,328.03 and 16,749.23 is: 23,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.59 : 28,328.03 = 16,749.23 : x
  2. Step 2: Convert to fraction form
    20,532.59/28,328.03 = 16,749.23/x
  3. Step 3: Cross multiply
    20,532.59x = 28,328.03 × 16,749.23
  4. Step 4: Simplify right side
    20,532.59x = 474,472,686.69
  5. Step 5: Solve for x
    x = 474,472,686.69/20,532.59
  6. Step 6: Final answer
    x = 23,108.27

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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.