Home / 14,300.96-19,744.08-11,328.80

Finding the Fourth Proportional to 14,300.96, 19,744.08 and 11,328.80

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Solution

The fourth proportional to 14,300.96, 19,744.08 and 11,328.80 is: 15,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.96 : 19,744.08 = 11,328.80 : x
  2. Step 2: Convert to fraction form
    14,300.96/19,744.08 = 11,328.80/x
  3. Step 3: Cross multiply
    14,300.96x = 19,744.08 × 11,328.80
  4. Step 4: Simplify right side
    14,300.96x = 223,676,733.50
  5. Step 5: Solve for x
    x = 223,676,733.50/14,300.96
  6. Step 6: Final answer
    x = 15,640.68

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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.