Home / 12,968.40-19,455.68-5,572.93

Finding the Fourth Proportional to 12,968.40, 19,455.68 and 5,572.93

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Solution

The fourth proportional to 12,968.40, 19,455.68 and 5,572.93 is: 8,360.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.40 : 19,455.68 = 5,572.93 : x
  2. Step 2: Convert to fraction form
    12,968.40/19,455.68 = 5,572.93/x
  3. Step 3: Cross multiply
    12,968.40x = 19,455.68 × 5,572.93
  4. Step 4: Simplify right side
    12,968.40x = 108,425,142.74
  5. Step 5: Solve for x
    x = 108,425,142.74/12,968.40
  6. Step 6: Final answer
    x = 8,360.72

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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.