Home / 13,569.75-20,354.42-4,802.51

Finding the Fourth Proportional to 13,569.75, 20,354.42 and 4,802.51

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Solution

The fourth proportional to 13,569.75, 20,354.42 and 4,802.51 is: 7,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.75 : 20,354.42 = 4,802.51 : x
  2. Step 2: Convert to fraction form
    13,569.75/20,354.42 = 4,802.51/x
  3. Step 3: Cross multiply
    13,569.75x = 20,354.42 × 4,802.51
  4. Step 4: Simplify right side
    13,569.75x = 97,752,368.49
  5. Step 5: Solve for x
    x = 97,752,368.49/13,569.75
  6. Step 6: Final answer
    x = 7,203.70

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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.