Home / 13,400.84-18,492.77-7,350.98

Finding the Fourth Proportional to 13,400.84, 18,492.77 and 7,350.98

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Solution

The fourth proportional to 13,400.84, 18,492.77 and 7,350.98 is: 10,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.84 : 18,492.77 = 7,350.98 : x
  2. Step 2: Convert to fraction form
    13,400.84/18,492.77 = 7,350.98/x
  3. Step 3: Cross multiply
    13,400.84x = 18,492.77 × 7,350.98
  4. Step 4: Simplify right side
    13,400.84x = 135,939,908.33
  5. Step 5: Solve for x
    x = 135,939,908.33/13,400.84
  6. Step 6: Final answer
    x = 10,144.13

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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.