Home / 14,020.73-19,347.93-8,355.35

Finding the Fourth Proportional to 14,020.73, 19,347.93 and 8,355.35

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Solution

The fourth proportional to 14,020.73, 19,347.93 and 8,355.35 is: 11,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.73 : 19,347.93 = 8,355.35 : x
  2. Step 2: Convert to fraction form
    14,020.73/19,347.93 = 8,355.35/x
  3. Step 3: Cross multiply
    14,020.73x = 19,347.93 × 8,355.35
  4. Step 4: Simplify right side
    14,020.73x = 161,658,775.30
  5. Step 5: Solve for x
    x = 161,658,775.30/14,020.73
  6. Step 6: Final answer
    x = 11,529.98

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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.