Home / 14,738.09-20,335.40-8,768.59

Finding the Fourth Proportional to 14,738.09, 20,335.40 and 8,768.59

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Solution

The fourth proportional to 14,738.09, 20,335.40 and 8,768.59 is: 12,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.09 : 20,335.40 = 8,768.59 : x
  2. Step 2: Convert to fraction form
    14,738.09/20,335.40 = 8,768.59/x
  3. Step 3: Cross multiply
    14,738.09x = 20,335.40 × 8,768.59
  4. Step 4: Simplify right side
    14,738.09x = 178,312,756.17
  5. Step 5: Solve for x
    x = 178,312,756.17/14,738.09
  6. Step 6: Final answer
    x = 12,098.77

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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.