Home / 23,886.80-32,954.60-15,388.28

Finding the Fourth Proportional to 23,886.80, 32,954.60 and 15,388.28

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Solution

The fourth proportional to 23,886.80, 32,954.60 and 15,388.28 is: 21,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,886.80 : 32,954.60 = 15,388.28 : x
  2. Step 2: Convert to fraction form
    23,886.80/32,954.60 = 15,388.28/x
  3. Step 3: Cross multiply
    23,886.80x = 32,954.60 × 15,388.28
  4. Step 4: Simplify right side
    23,886.80x = 507,114,522.81
  5. Step 5: Solve for x
    x = 507,114,522.81/23,886.80
  6. Step 6: Final answer
    x = 21,229.91

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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.