Home / 14,040.57-21,055.01-5,714.96

Finding the Fourth Proportional to 14,040.57, 21,055.01 and 5,714.96

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Solution

The fourth proportional to 14,040.57, 21,055.01 and 5,714.96 is: 8,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.57 : 21,055.01 = 5,714.96 : x
  2. Step 2: Convert to fraction form
    14,040.57/21,055.01 = 5,714.96/x
  3. Step 3: Cross multiply
    14,040.57x = 21,055.01 × 5,714.96
  4. Step 4: Simplify right side
    14,040.57x = 120,328,406.10
  5. Step 5: Solve for x
    x = 120,328,406.10/14,040.57
  6. Step 6: Final answer
    x = 8,570.05

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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.