Home / 15,626.25-21,567.03-8,822.34

Finding the Fourth Proportional to 15,626.25, 21,567.03 and 8,822.34

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Solution

The fourth proportional to 15,626.25, 21,567.03 and 8,822.34 is: 12,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.25 : 21,567.03 = 8,822.34 : x
  2. Step 2: Convert to fraction form
    15,626.25/21,567.03 = 8,822.34/x
  3. Step 3: Cross multiply
    15,626.25x = 21,567.03 × 8,822.34
  4. Step 4: Simplify right side
    15,626.25x = 190,271,671.45
  5. Step 5: Solve for x
    x = 190,271,671.45/15,626.25
  6. Step 6: Final answer
    x = 12,176.41

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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.