Home / 23,220.90-32,026.32-15,271.29

Finding the Fourth Proportional to 23,220.90, 32,026.32 and 15,271.29

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Solution

The fourth proportional to 23,220.90, 32,026.32 and 15,271.29 is: 21,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.90 : 32,026.32 = 15,271.29 : x
  2. Step 2: Convert to fraction form
    23,220.90/32,026.32 = 15,271.29/x
  3. Step 3: Cross multiply
    23,220.90x = 32,026.32 × 15,271.29
  4. Step 4: Simplify right side
    23,220.90x = 489,083,220.35
  5. Step 5: Solve for x
    x = 489,083,220.35/23,220.90
  6. Step 6: Final answer
    x = 21,062.20

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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.