Home / 13,123.52-19,678.04-8,968.22

Finding the Fourth Proportional to 13,123.52, 19,678.04 and 8,968.22

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Solution

The fourth proportional to 13,123.52, 19,678.04 and 8,968.22 is: 13,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123.52 : 19,678.04 = 8,968.22 : x
  2. Step 2: Convert to fraction form
    13,123.52/19,678.04 = 8,968.22/x
  3. Step 3: Cross multiply
    13,123.52x = 19,678.04 × 8,968.22
  4. Step 4: Simplify right side
    13,123.52x = 176,476,956.08
  5. Step 5: Solve for x
    x = 176,476,956.08/13,123.52
  6. Step 6: Final answer
    x = 13,447.38

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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.