Home / 19,006.16-28,509.30-11,209.50

Finding the Fourth Proportional to 19,006.16, 28,509.30 and 11,209.50

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Solution

The fourth proportional to 19,006.16, 28,509.30 and 11,209.50 is: 16,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.16 : 28,509.30 = 11,209.50 : x
  2. Step 2: Convert to fraction form
    19,006.16/28,509.30 = 11,209.50/x
  3. Step 3: Cross multiply
    19,006.16x = 28,509.30 × 11,209.50
  4. Step 4: Simplify right side
    19,006.16x = 319,574,998.35
  5. Step 5: Solve for x
    x = 319,574,998.35/19,006.16
  6. Step 6: Final answer
    x = 16,814.29

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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.