Home / 13,292.77-19,865.71-12,524.59

Finding the Fourth Proportional to 13,292.77, 19,865.71 and 12,524.59

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Solution

The fourth proportional to 13,292.77, 19,865.71 and 12,524.59 is: 18,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.77 : 19,865.71 = 12,524.59 : x
  2. Step 2: Convert to fraction form
    13,292.77/19,865.71 = 12,524.59/x
  3. Step 3: Cross multiply
    13,292.77x = 19,865.71 × 12,524.59
  4. Step 4: Simplify right side
    13,292.77x = 248,809,801.55
  5. Step 5: Solve for x
    x = 248,809,801.55/13,292.77
  6. Step 6: Final answer
    x = 18,717.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.