Home / 13,041.49-19,557.31-4,719.45

Finding the Fourth Proportional to 13,041.49, 19,557.31 and 4,719.45

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Solution

The fourth proportional to 13,041.49, 19,557.31 and 4,719.45 is: 7,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.49 : 19,557.31 = 4,719.45 : x
  2. Step 2: Convert to fraction form
    13,041.49/19,557.31 = 4,719.45/x
  3. Step 3: Cross multiply
    13,041.49x = 19,557.31 × 4,719.45
  4. Step 4: Simplify right side
    13,041.49x = 92,299,746.68
  5. Step 5: Solve for x
    x = 92,299,746.68/13,041.49
  6. Step 6: Final answer
    x = 7,077.39

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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.