Home / 13,124.75-19,681.35-4,802.60

Finding the Fourth Proportional to 13,124.75, 19,681.35 and 4,802.60

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Solution

The fourth proportional to 13,124.75, 19,681.35 and 4,802.60 is: 7,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.75 : 19,681.35 = 4,802.60 : x
  2. Step 2: Convert to fraction form
    13,124.75/19,681.35 = 4,802.60/x
  3. Step 3: Cross multiply
    13,124.75x = 19,681.35 × 4,802.60
  4. Step 4: Simplify right side
    13,124.75x = 94,521,627.50
  5. Step 5: Solve for x
    x = 94,521,627.50/13,124.75
  6. Step 6: Final answer
    x = 7,201.79

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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.