Home / 13,248.48-19,872.14-8,043.42

Finding the Fourth Proportional to 13,248.48, 19,872.14 and 8,043.42

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Solution

The fourth proportional to 13,248.48, 19,872.14 and 8,043.42 is: 12,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.48 : 19,872.14 = 8,043.42 : x
  2. Step 2: Convert to fraction form
    13,248.48/19,872.14 = 8,043.42/x
  3. Step 3: Cross multiply
    13,248.48x = 19,872.14 × 8,043.42
  4. Step 4: Simplify right side
    13,248.48x = 159,839,928.10
  5. Step 5: Solve for x
    x = 159,839,928.10/13,248.48
  6. Step 6: Final answer
    x = 12,064.77

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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.