Home / 14,581.16-21,871.56-4,720.22

Finding the Fourth Proportional to 14,581.16, 21,871.56 and 4,720.22

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Solution

The fourth proportional to 14,581.16, 21,871.56 and 4,720.22 is: 7,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.16 : 21,871.56 = 4,720.22 : x
  2. Step 2: Convert to fraction form
    14,581.16/21,871.56 = 4,720.22/x
  3. Step 3: Cross multiply
    14,581.16x = 21,871.56 × 4,720.22
  4. Step 4: Simplify right side
    14,581.16x = 103,238,574.94
  5. Step 5: Solve for x
    x = 103,238,574.94/14,581.16
  6. Step 6: Final answer
    x = 7,080.27

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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.