Home / 13,567.92-18,723.06-7,435.49

Finding the Fourth Proportional to 13,567.92, 18,723.06 and 7,435.49

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Solution

The fourth proportional to 13,567.92, 18,723.06 and 7,435.49 is: 10,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.92 : 18,723.06 = 7,435.49 : x
  2. Step 2: Convert to fraction form
    13,567.92/18,723.06 = 7,435.49/x
  3. Step 3: Cross multiply
    13,567.92x = 18,723.06 × 7,435.49
  4. Step 4: Simplify right side
    13,567.92x = 139,215,031.78
  5. Step 5: Solve for x
    x = 139,215,031.78/13,567.92
  6. Step 6: Final answer
    x = 10,260.60

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1.5x scale

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.