Home / 14,355.39-19,812.30-8,068.98

Finding the Fourth Proportional to 14,355.39, 19,812.30 and 8,068.98

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Solution

The fourth proportional to 14,355.39, 19,812.30 and 8,068.98 is: 11,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.39 : 19,812.30 = 8,068.98 : x
  2. Step 2: Convert to fraction form
    14,355.39/19,812.30 = 8,068.98/x
  3. Step 3: Cross multiply
    14,355.39x = 19,812.30 × 8,068.98
  4. Step 4: Simplify right side
    14,355.39x = 159,865,052.45
  5. Step 5: Solve for x
    x = 159,865,052.45/14,355.39
  6. Step 6: Final answer
    x = 11,136.24

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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.