Home / 19,823.04-29,750.92-9,965.12

Finding the Fourth Proportional to 19,823.04, 29,750.92 and 9,965.12

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Solution

The fourth proportional to 19,823.04, 29,750.92 and 9,965.12 is: 14,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.04 : 29,750.92 = 9,965.12 : x
  2. Step 2: Convert to fraction form
    19,823.04/29,750.92 = 9,965.12/x
  3. Step 3: Cross multiply
    19,823.04x = 29,750.92 × 9,965.12
  4. Step 4: Simplify right side
    19,823.04x = 296,471,487.91
  5. Step 5: Solve for x
    x = 296,471,487.91/19,823.04
  6. Step 6: Final answer
    x = 14,955.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.