Home / 19,760.04-27,256.34-12,099.77

Finding the Fourth Proportional to 19,760.04, 27,256.34 and 12,099.77

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Solution

The fourth proportional to 19,760.04, 27,256.34 and 12,099.77 is: 16,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.04 : 27,256.34 = 12,099.77 : x
  2. Step 2: Convert to fraction form
    19,760.04/27,256.34 = 12,099.77/x
  3. Step 3: Cross multiply
    19,760.04x = 27,256.34 × 12,099.77
  4. Step 4: Simplify right side
    19,760.04x = 329,795,248.26
  5. Step 5: Solve for x
    x = 329,795,248.26/19,760.04
  6. Step 6: Final answer
    x = 16,690.01

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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.