Home / 15,445.58-23,168.16-3,758.81

Finding the Fourth Proportional to 15,445.58, 23,168.16 and 3,758.81

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Solution

The fourth proportional to 15,445.58, 23,168.16 and 3,758.81 is: 5,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.58 : 23,168.16 = 3,758.81 : x
  2. Step 2: Convert to fraction form
    15,445.58/23,168.16 = 3,758.81/x
  3. Step 3: Cross multiply
    15,445.58x = 23,168.16 × 3,758.81
  4. Step 4: Simplify right side
    15,445.58x = 87,084,711.49
  5. Step 5: Solve for x
    x = 87,084,711.49/15,445.58
  6. Step 6: Final answer
    x = 5,638.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.