Home / 14,065.51-21,090.37-4,700.60

Finding the Fourth Proportional to 14,065.51, 21,090.37 and 4,700.60

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Solution

The fourth proportional to 14,065.51, 21,090.37 and 4,700.60 is: 7,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.51 : 21,090.37 = 4,700.60 : x
  2. Step 2: Convert to fraction form
    14,065.51/21,090.37 = 4,700.60/x
  3. Step 3: Cross multiply
    14,065.51x = 21,090.37 × 4,700.60
  4. Step 4: Simplify right side
    14,065.51x = 99,137,369.72
  5. Step 5: Solve for x
    x = 99,137,369.72/14,065.51
  6. Step 6: Final answer
    x = 7,048.26

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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.