Home / 13,356.55-18,426.25-8,048.35

Finding the Fourth Proportional to 13,356.55, 18,426.25 and 8,048.35

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Solution

The fourth proportional to 13,356.55, 18,426.25 and 8,048.35 is: 11,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.55 : 18,426.25 = 8,048.35 : x
  2. Step 2: Convert to fraction form
    13,356.55/18,426.25 = 8,048.35/x
  3. Step 3: Cross multiply
    13,356.55x = 18,426.25 × 8,048.35
  4. Step 4: Simplify right side
    13,356.55x = 148,300,909.19
  5. Step 5: Solve for x
    x = 148,300,909.19/13,356.55
  6. Step 6: Final answer
    x = 11,103.23

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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.