Home / 14,205.16-19,570.44-11,219.92

Finding the Fourth Proportional to 14,205.16, 19,570.44 and 11,219.92

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Solution

The fourth proportional to 14,205.16, 19,570.44 and 11,219.92 is: 15,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.16 : 19,570.44 = 11,219.92 : x
  2. Step 2: Convert to fraction form
    14,205.16/19,570.44 = 11,219.92/x
  3. Step 3: Cross multiply
    14,205.16x = 19,570.44 × 11,219.92
  4. Step 4: Simplify right side
    14,205.16x = 219,578,771.16
  5. Step 5: Solve for x
    x = 219,578,771.16/14,205.16
  6. Step 6: Final answer
    x = 15,457.68

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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.