Home / 13,124.08-19,681.52-4,356.64

Finding the Fourth Proportional to 13,124.08, 19,681.52 and 4,356.64

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Solution

The fourth proportional to 13,124.08, 19,681.52 and 4,356.64 is: 6,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.08 : 19,681.52 = 4,356.64 : x
  2. Step 2: Convert to fraction form
    13,124.08/19,681.52 = 4,356.64/x
  3. Step 3: Cross multiply
    13,124.08x = 19,681.52 × 4,356.64
  4. Step 4: Simplify right side
    13,124.08x = 85,745,297.29
  5. Step 5: Solve for x
    x = 85,745,297.29/13,124.08
  6. Step 6: Final answer
    x = 6,533.43

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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.