Home / 14,580.45-21,871.37-4,720.50

Finding the Fourth Proportional to 14,580.45, 21,871.37 and 4,720.50

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Solution

The fourth proportional to 14,580.45, 21,871.37 and 4,720.50 is: 7,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.45 : 21,871.37 = 4,720.50 : x
  2. Step 2: Convert to fraction form
    14,580.45/21,871.37 = 4,720.50/x
  3. Step 3: Cross multiply
    14,580.45x = 21,871.37 × 4,720.50
  4. Step 4: Simplify right side
    14,580.45x = 103,243,802.09
  5. Step 5: Solve for x
    x = 103,243,802.09/14,580.45
  6. Step 6: Final answer
    x = 7,080.98

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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.