Home / 14,292.49-19,712.79-12,521.02

Finding the Fourth Proportional to 14,292.49, 19,712.79 and 12,521.02

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Solution

The fourth proportional to 14,292.49, 19,712.79 and 12,521.02 is: 17,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.49 : 19,712.79 = 12,521.02 : x
  2. Step 2: Convert to fraction form
    14,292.49/19,712.79 = 12,521.02/x
  3. Step 3: Cross multiply
    14,292.49x = 19,712.79 × 12,521.02
  4. Step 4: Simplify right side
    14,292.49x = 246,824,237.85
  5. Step 5: Solve for x
    x = 246,824,237.85/14,292.49
  6. Step 6: Final answer
    x = 17,269.51

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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.