Home / 23,271.48-32,116.78-13,203.20

Finding the Fourth Proportional to 23,271.48, 32,116.78 and 13,203.20

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Solution

The fourth proportional to 23,271.48, 32,116.78 and 13,203.20 is: 18,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,271.48 : 32,116.78 = 13,203.20 : x
  2. Step 2: Convert to fraction form
    23,271.48/32,116.78 = 13,203.20/x
  3. Step 3: Cross multiply
    23,271.48x = 32,116.78 × 13,203.20
  4. Step 4: Simplify right side
    23,271.48x = 424,044,269.70
  5. Step 5: Solve for x
    x = 424,044,269.70/23,271.48
  6. Step 6: Final answer
    x = 18,221.63

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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.