Home / 13,225.42-18,259.63-8,194.98

Finding the Fourth Proportional to 13,225.42, 18,259.63 and 8,194.98

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Solution

The fourth proportional to 13,225.42, 18,259.63 and 8,194.98 is: 11,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.42 : 18,259.63 = 8,194.98 : x
  2. Step 2: Convert to fraction form
    13,225.42/18,259.63 = 8,194.98/x
  3. Step 3: Cross multiply
    13,225.42x = 18,259.63 × 8,194.98
  4. Step 4: Simplify right side
    13,225.42x = 149,637,312.90
  5. Step 5: Solve for x
    x = 149,637,312.90/13,225.42
  6. Step 6: Final answer
    x = 11,314.37

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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.