Home / 13,275.39-19,913.99-4,955.25

Finding the Fourth Proportional to 13,275.39, 19,913.99 and 4,955.25

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Solution

The fourth proportional to 13,275.39, 19,913.99 and 4,955.25 is: 7,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.39 : 19,913.99 = 4,955.25 : x
  2. Step 2: Convert to fraction form
    13,275.39/19,913.99 = 4,955.25/x
  3. Step 3: Cross multiply
    13,275.39x = 19,913.99 × 4,955.25
  4. Step 4: Simplify right side
    13,275.39x = 98,678,774.17
  5. Step 5: Solve for x
    x = 98,678,774.17/13,275.39
  6. Step 6: Final answer
    x = 7,433.21

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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.