Home / 19,393.68-26,752.02-12,220.77

Finding the Fourth Proportional to 19,393.68, 26,752.02 and 12,220.77

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Solution

The fourth proportional to 19,393.68, 26,752.02 and 12,220.77 is: 16,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.68 : 26,752.02 = 12,220.77 : x
  2. Step 2: Convert to fraction form
    19,393.68/26,752.02 = 12,220.77/x
  3. Step 3: Cross multiply
    19,393.68x = 26,752.02 × 12,220.77
  4. Step 4: Simplify right side
    19,393.68x = 326,930,406.69
  5. Step 5: Solve for x
    x = 326,930,406.69/19,393.68
  6. Step 6: Final answer
    x = 16,857.58

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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.