Home / 19,862.04-27,406.86-11,902.44

Finding the Fourth Proportional to 19,862.04, 27,406.86 and 11,902.44

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Solution

The fourth proportional to 19,862.04, 27,406.86 and 11,902.44 is: 16,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.04 : 27,406.86 = 11,902.44 : x
  2. Step 2: Convert to fraction form
    19,862.04/27,406.86 = 11,902.44/x
  3. Step 3: Cross multiply
    19,862.04x = 27,406.86 × 11,902.44
  4. Step 4: Simplify right side
    19,862.04x = 326,208,506.74
  5. Step 5: Solve for x
    x = 326,208,506.74/19,862.04
  6. Step 6: Final answer
    x = 16,423.72

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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.