Home / 14,484.42-19,991.00-8,196.80

Finding the Fourth Proportional to 14,484.42, 19,991.00 and 8,196.80

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Solution

The fourth proportional to 14,484.42, 19,991.00 and 8,196.80 is: 11,312.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.42 : 19,991.00 = 8,196.80 : x
  2. Step 2: Convert to fraction form
    14,484.42/19,991.00 = 8,196.80/x
  3. Step 3: Cross multiply
    14,484.42x = 19,991.00 × 8,196.80
  4. Step 4: Simplify right side
    14,484.42x = 163,862,149.34
  5. Step 5: Solve for x
    x = 163,862,149.34/14,484.42
  6. Step 6: Final answer
    x = 11,312.99

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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.