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Finding the Fourth Proportional to 12,950.64, 19,373.64 and 10,763.76

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Solution

The fourth proportional to 12,950.64, 19,373.64 and 10,763.76 is: 16,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.64 : 19,373.64 = 10,763.76 : x
  2. Step 2: Convert to fraction form
    12,950.64/19,373.64 = 10,763.76/x
  3. Step 3: Cross multiply
    12,950.64x = 19,373.64 × 10,763.76
  4. Step 4: Simplify right side
    12,950.64x = 208,533,211.29
  5. Step 5: Solve for x
    x = 208,533,211.29/12,950.64
  6. Step 6: Final answer
    x = 16,102.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.