Home / 19,123.50-28,681.17-8,027.34

Finding the Fourth Proportional to 19,123.50, 28,681.17 and 8,027.34

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Solution

The fourth proportional to 19,123.50, 28,681.17 and 8,027.34 is: 12,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.50 : 28,681.17 = 8,027.34 : x
  2. Step 2: Convert to fraction form
    19,123.50/28,681.17 = 8,027.34/x
  3. Step 3: Cross multiply
    19,123.50x = 28,681.17 × 8,027.34
  4. Step 4: Simplify right side
    19,123.50x = 230,233,503.19
  5. Step 5: Solve for x
    x = 230,233,503.19/19,123.50
  6. Step 6: Final answer
    x = 12,039.30

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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.