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Finding the Fourth Proportional to 14,373.76, 19,828.76 and 9,338.80

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Solution

The fourth proportional to 14,373.76, 19,828.76 and 9,338.80 is: 12,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.76 : 19,828.76 = 9,338.80 : x
  2. Step 2: Convert to fraction form
    14,373.76/19,828.76 = 9,338.80/x
  3. Step 3: Cross multiply
    14,373.76x = 19,828.76 × 9,338.80
  4. Step 4: Simplify right side
    14,373.76x = 185,176,823.89
  5. Step 5: Solve for x
    x = 185,176,823.89/14,373.76
  6. Step 6: Final answer
    x = 12,882.98

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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.