Home / 19,931.04-29,896.65-8,244.63

Finding the Fourth Proportional to 19,931.04, 29,896.65 and 8,244.63

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Solution

The fourth proportional to 19,931.04, 29,896.65 and 8,244.63 is: 12,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.04 : 29,896.65 = 8,244.63 : x
  2. Step 2: Convert to fraction form
    19,931.04/29,896.65 = 8,244.63/x
  3. Step 3: Cross multiply
    19,931.04x = 29,896.65 × 8,244.63
  4. Step 4: Simplify right side
    19,931.04x = 246,486,817.49
  5. Step 5: Solve for x
    x = 246,486,817.49/19,931.04
  6. Step 6: Final answer
    x = 12,366.98

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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.