Home / 13,502.52-18,631.35-7,533.90

Finding the Fourth Proportional to 13,502.52, 18,631.35 and 7,533.90

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Solution

The fourth proportional to 13,502.52, 18,631.35 and 7,533.90 is: 10,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.52 : 18,631.35 = 7,533.90 : x
  2. Step 2: Convert to fraction form
    13,502.52/18,631.35 = 7,533.90/x
  3. Step 3: Cross multiply
    13,502.52x = 18,631.35 × 7,533.90
  4. Step 4: Simplify right side
    13,502.52x = 140,366,727.77
  5. Step 5: Solve for x
    x = 140,366,727.77/13,502.52
  6. Step 6: Final answer
    x = 10,395.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.