Home / 13,501.25-18,625.95-8,462.03

Finding the Fourth Proportional to 13,501.25, 18,625.95 and 8,462.03

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Solution

The fourth proportional to 13,501.25, 18,625.95 and 8,462.03 is: 11,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.25 : 18,625.95 = 8,462.03 : x
  2. Step 2: Convert to fraction form
    13,501.25/18,625.95 = 8,462.03/x
  3. Step 3: Cross multiply
    13,501.25x = 18,625.95 × 8,462.03
  4. Step 4: Simplify right side
    13,501.25x = 157,613,254.55
  5. Step 5: Solve for x
    x = 157,613,254.55/13,501.25
  6. Step 6: Final answer
    x = 11,673.98

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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.