Home / 13,113.92-19,670.88-4,904

Finding the Fourth Proportional to 13,113.92, 19,670.88 and 4,904

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Solution

The fourth proportional to 13,113.92, 19,670.88 and 4,904 is: 7,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.92 : 19,670.88 = 4,904 : x
  2. Step 2: Convert to fraction form
    13,113.92/19,670.88 = 4,904/x
  3. Step 3: Cross multiply
    13,113.92x = 19,670.88 × 4,904
  4. Step 4: Simplify right side
    13,113.92x = 96,465,995.52
  5. Step 5: Solve for x
    x = 96,465,995.52/13,113.92
  6. Step 6: Final answer
    x = 7,356.00

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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.