Home / 14,168.48-21,254.40-3,780.32

Finding the Fourth Proportional to 14,168.48, 21,254.40 and 3,780.32

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Solution

The fourth proportional to 14,168.48, 21,254.40 and 3,780.32 is: 5,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.48 : 21,254.40 = 3,780.32 : x
  2. Step 2: Convert to fraction form
    14,168.48/21,254.40 = 3,780.32/x
  3. Step 3: Cross multiply
    14,168.48x = 21,254.40 × 3,780.32
  4. Step 4: Simplify right side
    14,168.48x = 80,348,433.41
  5. Step 5: Solve for x
    x = 80,348,433.41/14,168.48
  6. Step 6: Final answer
    x = 5,670.93

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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.